| Prefixes | City | County | Line Type | Company |
|---|---|---|---|---|
| 630-200 | Naperville | Will | Cell Phone | Cellco Partnership Dba Veri... |
| 630-201 | Lombard | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-202 | Naperville | Dupage | Landline | United States Cellular Corp... |
| 630-203 | Oak Brook | Dupage | Landline | Mci Worldcom Communications... |
| 630-204 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-205 | Naperville | Dupage | Landline | United States Cellular Corp... |
| 630-206 | West Chicago | Dupage | Landline | Level 3 Communications, Llc... |
| 630-207 | Naperville | Will | Cell Phone | New Cingular Wireless Pcs,... |
| 630-208 | Geneva | Kane | Landline | Ameritech Illinois |
| 630-209 | Lemont | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-210 | Naperville | Dupage | Landline | At&t Local |
| 630-212 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-213 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-214 | Willowbrook | Dupage | Landline | Broadwing Communications, L... |
| 630-215 | Saint Charles | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-216 | Oak Brook | Dupage | Landline | Rcn Telecom Services Of Ill... |
| 630-217 | Indianapolis | Marion | Cell Phone | New Cingular Wireless Pcs,... |
| 630-218 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-219 | Naperville | Dupage | Landline | Level 3 Communications, Llc... |
| 630-220 | Aurora | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-221 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-222 | Saint Charles | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-224 | Lisle | Dupage | Landline | Ameritech Illinois |
| 630-225 | Warrenville | Dupage | Landline | Broadwing Communications, L... |
| 630-226 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-227 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-228 | Itasca | Dupage | Landline | Broadwing Communications, L... |
| 630-229 | Aurora | Kane | Landline | Comcast Phone Of Illinois,... |
| 630-230 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-231 | West Chicago | Dupage | Landline | Ameritech Illinois |
| 630-232 | Geneva | Kane | Landline | Ameritech Illinois |
| 630-233 | Hanover Park | Cook | Landline | Ovation Communications Of I... |
| 630-234 | Saint Charles | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-235 | Elmhurst | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-236 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-237 | Schaumburg | Cook | Landline | Teleport Communications Gro... |
| 630-238 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-239 | Batavia | Kane | Landline | Mci Worldcom Communications... |
| 630-240 | Glen Ellyn | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-241 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-242 | Oak Brook | Dupage | Landline | Broadwing Communications, L... |
| 630-243 | Lemont | Cook | Landline | Ameritech Illinois |
| 630-244 | Bartlett | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-245 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-246 | Streamwood | Cook | Landline | Level 3 Communications, Llc... |
| 630-247 | Downers Grove | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-248 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-249 | Naperville | Dupage | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-250 | Itasca | Dupage | Landline | Ameritech Illinois |
| 630-251 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-252 | Lemont | Cook | Landline | Ameritech Illinois |
| 630-253 | Bartlett | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-254 | Aurora | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-255 | West Chicago | Dupage | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-257 | Lemont | Cook | Landline | Ameritech Illinois |
| 630-258 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-259 | Roselle | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-260 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-261 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-262 | Geneva | Kane | Landline | Ameritech Illinois |
| 630-263 | Lombard | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-264 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-266 | Lombard | Dupage | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-267 | Aurora | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-268 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-269 | Downers Grove | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-270 | Aurora | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-271 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-272 | Batavia | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-273 | Plano | Kendall | Landline | Globalcom, Inc.il |
| 630-274 | Bensenville | Dupage | Landline | Teleport Communications Gro... |
| 630-275 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-276 | Naperville | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-278 | Schaumburg | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-279 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-280 | Adams | Adams | Cell Phone | New Cingular Wireless Pcs,... |
| 630-281 | Naperville | Dupage | Landline | Broadwing Communications, L... |
| 630-282 | Lombard | Dupage | Landline | Mci Worldcom Communications... |
| 630-283 | Bloomingdale | Dupage | Landline | Teleport Communications Gro... |
| 630-284 | Batavia | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-285 | Itasca | Dupage | Landline | Ameritech Illinois |
| 630-286 | Willowbrook | Dupage | Landline | Xo Illinois, Inc. |
| 630-287 | Northbrook | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-288 | Oak Brook | Dupage | Landline | Teleport Communications Gro... |
| 630-289 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-290 | Wheaton | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-291 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-292 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-293 | West Chicago | Dupage | Landline | Ameritech Illinois |
| 630-294 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-295 | Bloomingdale | Dupage | Landline | Ameritech Illinois |
| 630-296 | Bolingbrook | Will | Landline | Teleport Communications Gro... |
| 630-297 | Westmont | Dupage | Landline | Level 3 Communications, Llc... |
| 630-298 | Naperville | Dupage | Landline | American Messaging (am), Inc. |
| 630-299 | Aurora | Kane | Landline | Broadwing Communications, L... |
| 630-300 | Naperville | Dupage | Landline | Mci Worldcom Communications... |
| 630-301 | Aurora | Kane | Landline | Rcn Telecom Services Of Ill... |
| 630-302 | Saint Charles | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-303 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-305 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-306 | Bolingbrook | Will | Cell Phone | New Cingular Wireless Pcs,... |
| 630-307 | Bloomingdale | Dupage | Landline | Ameritech Illinois |
| 630-308 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-309 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-310 | Downers Grove | Dupage | Landline | Rcn Telecom Services Of Ill... |
| 630-312 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-313 | Geneva | Kane | Landline | Rcn Telecom Services Of Ill... |
| 630-315 | Glendale Heights | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-316 | Geneva | Kane | Landline | American Messaging (am), Inc. |
| 630-317 | Lombard | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-318 | Lombard | Dupage | Landline | Level 3 Communications, Llc... |
| 630-319 | Aurora | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-320 | Willowbrook | Dupage | Landline | Teleport Communications Gro... |
| 630-321 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-322 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-323 | Hinsdale | Dupage | Landline | Ameritech Illinois |
| 630-324 | Downers Grove | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-325 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-326 | Batavia | Kane | Landline | Teleport Communications Gro... |
| 630-327 | Chicago | Cook | Cell Phone | Nextel Communications, Inc. |
| 630-328 | Naperville | Dupage | Landline | Teleport Communications Gro... |
| 630-329 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-330 | Naperville | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-333 | Addison | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-334 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-335 | Naperville | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-336 | Elmhurst | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-337 | Geneva | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-338 | Gilberts | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-339 | Bloomingdale | Dupage | Landline | Broadwing Communications, L... |
| 630-340 | Aurora | Kane | Cell Phone | Tmobile Usa, Inc. |
| 630-341 | Bolingbrook | Will | Cell Phone | Cellco Partnership Dba Veri... |
| 630-342 | Willowbrook | Dupage | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-343 | Bolingbrook | Will | Landline | At&t Local |
| 630-344 | Wheaton | Dupage | Landline | Xo Illinois, Inc. |
| 630-345 | Geneva | Kane | Landline | Ameritech Illinois |
| 630-346 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-347 | Glen Ellyn | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-348 | Glen Ellyn | Dupage | Landline | Xo Illinois, Inc. |
| 630-350 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-351 | Bloomingdale | Dupage | Landline | Ameritech Illinois |
| 630-352 | La Grange | Cook | Cell Phone | Cellco Partnership Dba Veri... |
| 630-353 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-354 | Lemont | Cook | Landline | Paetec Communications, Inc.... |
| 630-355 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-357 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-358 | Elburn | Kane | Landline | Level 3 Communications, Llc... |
| 630-359 | Elmhurst | Dupage | Landline | Teleport Communications Gro... |
| 630-361 | Buffalo Grove | Lake | Cell Phone | Nextel Communications, Inc. |
| 630-362 | Chicago | Cook | Cell Phone | Tmobile Usa, Inc. |
| 630-363 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-364 | Naperville | Dupage | Landline | Broadwing Communications, L... |
| 630-365 | Elburn | Kane | Landline | Ameritech Illinois |
| 630-366 | Oak Brook | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-367 | Wheaton | Dupage | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-368 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-369 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-370 | Yorkville | Kendall | Cell Phone | Cellco Partnership Dba Veri... |
| 630-371 | Oak Brook | Dupage | Landline | Xo Illinois, Inc. |
| 630-372 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-373 | Bolingbrook | Will | Cell Phone | New Cingular Wireless Pcs,... |
| 630-375 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-376 | Lombard | Dupage | Landline | Xo Illinois, Inc. |
| 630-377 | Saint Charles | Kane | Landline | Ameritech Illinois |
| 630-378 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-379 | Elmhurst | Dupage | Landline | Xo Illinois, Inc. |
| 630-381 | Aurora | Kane | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-382 | Oak Brook | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-383 | Oswego | Kendall | Landline | Mci Worldcom Communications... |
| 630-384 | Carol Stream | Dupage | Landline | Ameritech Illinois |
| 630-385 | Yorkville | Kendall | Landline | Broadwing Communications, L... |
| 630-387 | Elburn | Kane | Landline | Globalcom, Inc.il |
| 630-388 | Naperville | Dupage | Landline | Xo Illinois, Inc. |
| 630-389 | Batavia | Kane | Landline | Broadwing Communications, L... |
| 630-390 | Downers Grove | Dupage | Landline | Xo Illinois, Inc. |
| 630-391 | Sugar Grove | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-392 | Naperville | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-393 | Warrenville | Dupage | Landline | Ameritech Illinois |
| 630-395 | Downers Grove | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-396 | Lombard | Dupage | Landline | Sigecom, Llc Il |
| 630-397 | Geneva | Kane | Landline | Ovation Communications Of I... |
| 630-398 | Hanover Park | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-399 | Villa Park | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-400 | Bloomingdale | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-401 | Streamwood | Cook | Cell Phone | Tmobile Usa, Inc. |
| 630-402 | Geneva | Kane | Landline | Comcast Phone Of Illinois,... |
| 630-403 | Glen Ellyn | Dupage | Landline | Paetec Communications, Inc.... |
| 630-404 | Addison | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-405 | Aurora | Dupage | Landline | Xo Illinois, Inc. |
| 630-406 | Batavia | Kane | Landline | Ameritech Illinois |
| 630-407 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-408 | Villa Park | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-409 | Sugar Grove | Kane | Landline | Level 3 Communications, Llc... |
| 630-410 | Bolingbrook | Will | Landline | Teleport Communications Gro... |
| 630-412 | Bensenville | Dupage | Landline | Teleport Communications Gro... |
| 630-413 | Oak Brook | Dupage | Landline | Level 3 Communications, Llc... |
| 630-414 | Aurora | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-415 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-416 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-417 | Naperville | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-418 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-420 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-421 | Oak Brook | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-422 | Bensenville | Dupage | Landline | Teleport Communications Gro... |
| 630-423 | Aurora | Dupage | Landline | Teleport Communications Gro... |
| 630-424 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-425 | Oswego | Kendall | Landline | Teleport Communications Gro... |
| 630-426 | Lombard | Dupage | Landline | Teleport Communications Gro... |
| 630-427 | Woodridge | Dupage | Landline | Ameritech Illinois |
| 630-428 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-429 | Aurora | Kane | Landline | At&t Local |
| 630-430 | Downers Grove | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-431 | Elmhurst | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-433 | Elmhurst | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-434 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-435 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-436 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-437 | Downers Grove | Dupage | Landline | Ovation Communications Of I... |
| 630-438 | Itasca | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-439 | Bloomingdale | Dupage | Landline | Xo Illinois, Inc. |
| 630-440 | Saint Charles | Kane | Cell Phone | Tmobile Usa, Inc. |
| 630-441 | Downers Grove | Dupage | Landline | At&t Local |
| 630-442 | Naperville | Dupage | Landline | At&t Local |
| 630-443 | Saint Charles | Kane | Landline | Ameritech Illinois |
| 630-444 | Saint Charles | Kane | Landline | Ameritech Illinois |
| 630-445 | Naperville | Dupage | Landline | At&t Local |
| 630-446 | Glen Ellyn | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-447 | Oak Brook | Dupage | Landline | Broadwing Communications, L... |
| 630-448 | Elburn | Kane | Landline | Level 3 Communications, Llc... |
| 630-449 | Aurora | Dupage | Landline | Teleport Communications Gro... |
| 630-450 | Warrenville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-451 | Wood Dale | Dupage | Landline | Broadwing Communications, L... |
| 630-452 | Aurora | Kane | Cell Phone | Sprint Spectrum L.p. |
| 630-453 | Plainfield | Will | Cell Phone | Cellco Partnership Dba Veri... |
| 630-454 | Batavia | Kane | Landline | Xo Illinois, Inc. |
| 630-455 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-456 | Wheaton | Dupage | Landline | At&t Local |
| 630-457 | Geneva | Kane | Landline | Level 3 Communications, Llc... |
| 630-458 | Addison | Dupage | Landline | Ameritech Illinois |
| 630-460 | Schaumburg | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-461 | Mundelein | Lake | Cell Phone | Nextel Communications, Inc. |
| 630-462 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-463 | Geneva | Kane | Landline | Mcimetro Access Transmissio... |
| 630-464 | Aurora | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-466 | Sugar Grove | Kane | Landline | Ameritech Illinois |
| 630-467 | Itasca | Dupage | Landline | Ameritech Illinois |
| 630-468 | Willowbrook | Dupage | Landline | Rcn Telecom Services Of Ill... |
| 630-469 | Glen Ellyn | Dupage | Landline | Ameritech Illinois |
| 630-470 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-471 | Bedford | Hillsborough | Cell Phone | New Cingular Wireless Pcs,... |
| 630-472 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-474 | Glen Ellyn | Dupage | Landline | Comcast Phone Of Illinois,... |
| 630-475 | Bensenville | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-476 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-477 | Bensenville | Dupage | Landline | Mci Worldcom Communications... |
| 630-478 | Elmhurst | Dupage | Landline | At&t Local |
| 630-479 | Aurora | Kane | Landline | United States Cellular Corp... |
| 630-480 | Wheaton | Dupage | Landline | Teleport Communications Gro... |
| 630-481 | Oak Brook | Dupage | Landline | Teleport Communications Gro... |
| 630-482 | Batavia | Kane | Landline | Ameritech Illinois |
| 630-483 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-484 | Winfield | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-485 | Saint Charles | Kane | Landline | Ovation Communications Of I... |
| 630-487 | Chicago | Cook | Cell Phone | Cellco Partnership Dba Veri... |
| 630-488 | Elgin | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-489 | Glen Ellyn | Dupage | Landline | Hypercube Telecom, Llc Il |
| 630-490 | Streamwood | Cook | Landline | Teleport Communications Gro... |
| 630-492 | Geneva | Kane | Landline | Teleport Communications Gro... |
| 630-493 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-494 | Woodridge | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-495 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-496 | Bensenville | Dupage | Landline | Ovation Communications Of I... |
| 630-497 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-498 | Leland | La Salle | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-499 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-501 | Elmhurst | Dupage | Landline | Comcast Phone Of Illinois,... |
| 630-502 | Elgin | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-503 | Streamwood | Cook | Landline | Teleport Communications Gro... |
| 630-504 | Streamwood | Cook | Landline | Teleport Communications Gro... |
| 630-505 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-508 | Batavia | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-510 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-512 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-513 | Saint Charles | Kane | Landline | Ameritech Illinois |
| 630-514 | Bolingbrook | Will | Cell Phone | Nextel Communications, Inc. |
| 630-515 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-516 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-517 | Wheaton | Dupage | Landline | Level 3 Communications, Llc... |
| 630-518 | Aurora | Dupage | Landline | Mci Worldcom Communications... |
| 630-519 | Lombard | Dupage | Landline | Teleport Communications Gro... |
| 630-520 | West Chicago | Dupage | Landline | Teleport Communications Gro... |
| 630-521 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-522 | Oak Brook | Dupage | Landline | Allegiance Telecom, Inc. Il |
| 630-523 | Schaumburg | Cook | Landline | Ovation Communications Of I... |
| 630-524 | Saint Charles | Kane | Landline | Broadwing Communications, L... |
| 630-525 | Saint Charles | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-526 | Glen Ellyn | Dupage | Landline | Teleport Communications Gro... |
| 630-527 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-528 | Roselle | Dupage | Landline | Cimco Communications, Inc.... |
| 630-529 | Roselle | Dupage | Landline | Ameritech Illinois |
| 630-530 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-531 | Bolingbrook | Will | Cell Phone | Cellco Partnership Dba Veri... |
| 630-532 | Addison | Dupage | Landline | Ovation Communications Of I... |
| 630-533 | Yorkville | Kendall | Cell Phone | Cellco Partnership Dba Veri... |
| 630-534 | Glen Ellyn | Dupage | Landline | Ovation Communications Of I... |
| 630-535 | Wood Dale | Dupage | Landline | Indiana Paging Ntwk |
| 630-536 | Naperville | Dupage | Landline | Teleport Communications Gro... |
| 630-539 | Roselle | Dupage | Landline | Ameritech Illinois |
| 630-540 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-541 | Downers Grove | Dupage | Landline | Teleport Communications Gro... |
| 630-542 | Downers Grove | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-543 | Addison | Dupage | Landline | Ameritech Illinois |
| 630-544 | Naperville | Dupage | Landline | Ovation Communications Of I... |
| 630-545 | Glen Ellyn | Dupage | Landline | Ameritech Illinois |
| 630-546 | Naperville | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-547 | Glen Ellyn | Dupage | Landline | Broadwing Communications, L... |
| 630-548 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-549 | Saint Charles | Kane | Landline | Teleport Communications Gro... |
| 630-550 | Streamwood | Cook | Landline | Ovation Communications Of I... |
| 630-551 | Oswego | Kendall | Landline | Ameritech Illinois |
| 630-552 | Plano | Kendall | Landline | Ameritech Illinois |
| 630-553 | Yorkville | Kendall | Landline | Ameritech Illinois |
| 630-554 | Oswego | Kendall | Landline | Ameritech Illinois |
| 630-556 | Big Rock | Kane | Landline | Ameritech Illinois |
| 630-557 | Elburn | Kane | Landline | Ameritech Illinois |
| 630-559 | Elmhurst | Dupage | Landline | Allegiance Telecom, Inc. Il |
| 630-560 | Willowbrook | Dupage | Landline | Broadwing Communications, L... |
| 630-561 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-562 | West Chicago | Dupage | Landline | Ameritech Illinois |
| 630-563 | Elmhurst | Dupage | Landline | Broadwing Communications, L... |
| 630-564 | Bartlett | Cook | Cell Phone | Cellco Partnership Dba Veri... |
| 630-566 | Aurora | Dupage | Landline | Broadwing Communications, L... |
| 630-567 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-568 | Villa Park | Dupage | Landline | At&t Local |
| 630-569 | Roselle | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-570 | Willowbrook | Dupage | Landline | Ovation Communications Of I... |
| 630-571 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-572 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-573 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-574 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-575 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-576 | Lombard | Dupage | Landline | Ovation Communications Of I... |
| 630-577 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-578 | Geneva | Kane | Landline | Broadwing Communications, L... |
| 630-579 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-580 | Glendale Heights | Dupage | Landline | Ovation Communications Of I... |
| 630-581 | Darien | Dupage | Landline | At&t Local |
| 630-582 | Bloomingdale | Dupage | Landline | Ameritech Illinois |
| 630-583 | Hanover Park | Cook | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-584 | Saint Charles | Kane | Landline | Ameritech Illinois |
| 630-585 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-586 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-587 | Saint Charles | Kane | Landline | Ameritech Illinois |
| 630-588 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-589 | Elmhurst | Dupage | Landline | Mci Worldcom Communications... |
| 630-590 | Willowbrook | Dupage | Landline | Broadwing Communications, L... |
| 630-591 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-592 | Elmhurst | Dupage | Landline | Broadwing Communications, L... |
| 630-593 | Batavia | Kane | Landline | Ovation Communications Of I... |
| 630-594 | Bensenville | Dupage | Landline | Ovation Communications Of I... |
| 630-595 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-596 | Naperville | Dupage | Landline | Allegiance Telecom, Inc. Il |
| 630-597 | Carol Stream | Dupage | Landline | Allegiance Telecom, Inc. Il |
| 630-598 | Downers Grove | Dupage | Landline | Allegiance Telecom, Inc. Il |
| 630-599 | Lombard | Dupage | Landline | Allegiance Telecom, Inc. Il |
| 630-600 | Elmhurst | Dupage | Landline | Teleport Communications Gro... |
| 630-601 | Aurora | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-602 | Wood Dale | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-603 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-605 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-606 | Oswego | Kendall | Cell Phone | Cellco Partnership Dba Veri... |
| 630-607 | Elmhurst | Dupage | Landline | Rcn Telecom Services Of Ill... |
| 630-608 | Oswego | Kendall | Landline | Level 3 Communications, Llc... |
| 630-609 | Carol Stream | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-612 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-613 | Lombard | Dupage | Landline | Teleport Communications Gro... |
| 630-614 | Wheaton | Dupage | Landline | Globalcom, Inc.il |
| 630-615 | Naperville | Dupage | Landline | Globalcom, Inc.il |
| 630-616 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-617 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-618 | Aurora | Kane | Cell Phone | Sprint Spectrum L.p. |
| 630-619 | Wheaton | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-620 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-621 | West Chicago | Dupage | Landline | Broadwing Communications, L... |
| 630-622 | Bloomingdale | Dupage | Landline | Allegiance Telecom, Inc. Il |
| 630-623 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-624 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-625 | Itasca | Dupage | Landline | Ovation Communications Of I... |
| 630-626 | Itasca | Dupage | Landline | Global Crossing Local Servi... |
| 630-627 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-628 | Addison | Dupage | Landline | Ameritech Illinois |
| 630-629 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-630 | Aurora | Kane | Landline | Globalcom, Inc.il |
| 630-631 | Aurora | Kane | Landline | Ovation Communications Of I... |
| 630-632 | Willowbrook | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-633 | Bolingbrook | Will | Landline | Ovation Communications Of I... |
| 630-634 | Itasca | Dupage | Landline | At&t Local |
| 630-635 | Naperville | Dupage | Landline | At&t Local |
| 630-636 | Oswego | Kendall | Landline | Globalcom, Inc.il |
| 630-637 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-638 | Glenview | Cook | Cell Phone | Cellco Partnership Dba Veri... |
| 630-639 | West Chicago | Dupage | Landline | Ovation Communications Of I... |
| 630-640 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-642 | Bolingbrook | Will | Cell Phone | New Cingular Wireless Pcs,... |
| 630-643 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-644 | Villa Park | Dupage | Landline | Mci Worldcom Communications... |
| 630-645 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-646 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-647 | Wood Dale | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-648 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-649 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-650 | Wheaton | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-651 | Lemont | Cook | Cell Phone | Cellco Partnership Dba Veri... |
| 630-652 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-653 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-654 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-655 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-656 | Lombard | Dupage | Landline | Mci Worldcom Communications... |
| 630-657 | Warrenville | Dupage | Landline | Ovation Communications Of I... |
| 630-658 | Warrenville | Dupage | Landline | Broadwing Communications, L... |
| 630-659 | Saint Charles | Kane | Landline | Xo Illinois, Inc. |
| 630-660 | Naperville | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-661 | Elmhurst | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-662 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-663 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-664 | Naperville | Dupage | Landline | United States Cellular Corp... |
| 630-665 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-666 | Crest Hill | Will | Cell Phone | Sprint Spectrum L.p. |
| 630-667 | Bolingbrook | Will | Cell Phone | Sprint Spectrum L.p. |
| 630-668 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-669 | Glendale Heights | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-670 | Bolingbrook | Will | Cell Phone | Tmobile Usa, Inc. |
| 630-671 | Roselle | Dupage | Landline | Ameritech Illinois |
| 630-672 | Roselle | Dupage | Landline | Mci Worldcom Communications... |
| 630-673 | Roselle | Dupage | Landline | United States Cellular Corp... |
| 630-674 | Naperville | Dupage | Landline | United States Cellular Corp... |
| 630-675 | Glen Ellyn | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-677 | Schaumburg | Cook | Cell Phone | Tmobile Usa, Inc. |
| 630-678 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-679 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-680 | Bolingbrook | Will | Landline | American Messaging (am), Inc. |
| 630-681 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-682 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-684 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-685 | Bolingbrook | Will | Landline | Broadwing Communications, L... |
| 630-686 | Lombard | Dupage | Landline | Global Crossing Local Servi... |
| 630-687 | Union | McHenry | Cell Phone | New Cingular Wireless Pcs,... |
| 630-688 | West Chicago | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-689 | Naperville | Dupage | Landline | Global Crossing Local Servi... |
| 630-690 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-691 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-692 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-693 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-694 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-695 | Streamwood | Cook | Landline | American Messaging (am), Inc. |
| 630-696 | Naperville | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-697 | Saint Charles | Kane | Cell Phone | Sprint Spectrum L.p. |
| 630-698 | Willowbrook | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-699 | Glen Ellyn | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-700 | Naperville | Dupage | Landline | Unknown |
| 630-701 | Aurora | Kane | Cell Phone | Tmobile Usa, Inc. |
| 630-702 | Saint Charles | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-705 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-706 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-707 | Chicago | Cook | Cell Phone | Cellco Partnership Dba Veri... |
| 630-708 | Yorkville | Kendall | Landline | Sbc Internet Services, Inc. |
| 630-709 | West Chicago | Dupage | Landline | United States Cellular Corp... |
| 630-710 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-712 | Wheaton | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-713 | Lisle | Dupage | Landline | Ameritech Illinois |
| 630-714 | Glen Ellyn | Dupage | Landline | American Messaging (am), Inc. |
| 630-715 | Saint Charles | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-716 | Oak Brook | Dupage | Landline | Teleport Communications Gro... |
| 630-717 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-718 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-719 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-722 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-723 | Aurora | Kane | Landline | Xo Illinois, Inc. |
| 630-724 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-725 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-728 | Plainfield | Will | Cell Phone | Sprint Spectrum L.p. |
| 630-729 | Downers Grove | Dupage | Landline | Broadwing Communications, L... |
| 630-730 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-732 | Saint Charles | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-733 | Elmhurst | Dupage | Landline | Teleport Communications Gro... |
| 630-734 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-735 | Itasca | Dupage | Landline | Xo Illinois, Inc. |
| 630-736 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-737 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-738 | Saint Charles | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-739 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-740 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-741 | Bensenville | Dupage | Landline | Xo Illinois, Inc. |
| 630-742 | Aurora | Kane | Cell Phone | Nextel Communications, Inc. |
| 630-743 | Downers Grove | Dupage | Landline | Teleport Communications Gro... |
| 630-745 | Naperville | Dupage | Landline | United States Cellular Corp... |
| 630-747 | Naperville | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-748 | Lombard | Dupage | Landline | Global Crossing Local Servi... |
| 630-749 | Oak Brook | Dupage | Landline | Global Crossing Local Servi... |
| 630-750 | Bensenville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-752 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-753 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-754 | Bolingbrook | Will | Landline | Xo Illinois, Inc. |
| 630-755 | Bolingbrook | Will | Landline | Teleport Communications Gro... |
| 630-756 | Villa Park | Dupage | Landline | Global Crossing Local Servi... |
| 630-757 | Itasca | Dupage | Landline | Global Crossing Local Servi... |
| 630-758 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-759 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-760 | Itasca | Dupage | Landline | Ovation Communications Of I... |
| 630-761 | Batavia | Kane | Landline | Ameritech Illinois |
| 630-762 | Saint Charles | Kane | Landline | Ameritech Illinois |
| 630-765 | Glendale Heights | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-766 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-767 | Downers Grove | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-768 | Homer Glen | Will | Cell Phone | Nextel Communications, Inc. |
| 630-769 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-770 | Westmont | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-771 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-772 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-773 | Itasca | Dupage | Landline | Ameritech Illinois |
| 630-774 | Chicago | Cook | Cell Phone | Nextel Communications, Inc. |
| 630-775 | Itasca | Dupage | Landline | Ameritech Illinois |
| 630-776 | Bloomingdale | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-778 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-779 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-781 | Warrenville | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-782 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-783 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-784 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-785 | Lombard | Dupage | Landline | At&t Local |
| 630-786 | Lisle | Dupage | Landline | Global Crossing Local Servi... |
| 630-787 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-788 | Aurora | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-789 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-790 | Glen Ellyn | Dupage | Landline | Ameritech Illinois |
| 630-791 | Warrenville | Dupage | Landline | Teleport Communications Gro... |
| 630-792 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-793 | Glen Ellyn | Dupage | Landline | Global Crossing Local Servi... |
| 630-794 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-795 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-796 | Woodridge | Dupage | Landline | Bandwidth.com Clec, Llc Il |
| 630-797 | Saint Charles | Kane | Landline | Mcimetro Access Transmissio... |
| 630-798 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-799 | Lisle | Dupage | Landline | Ameritech Illinois |
| 630-800 | Aurora | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-801 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-802 | Lombard | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-803 | Saint Charles | Kane | Cell Phone | Sprint Spectrum L.p. |
| 630-804 | Downers Grove | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-805 | Bolingbrook | Will | Cell Phone | New Cingular Wireless Pcs,... |
| 630-806 | Aurora | Kane | Cell Phone | Sprint Spectrum L.p. |
| 630-808 | Schaumburg | Cook | Cell Phone | Sprint Spectrum L.p. |
| 630-809 | Aurora | Kane | Cell Phone | Sprint Spectrum L.p. |
| 630-810 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-812 | Lombard | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-815 | Romeoville | Will | Cell Phone | New Cingular Wireless Pcs,... |
| 630-816 | Naperville | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-817 | Downers Grove | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-818 | West Chicago | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-820 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-821 | Warrenville | Dupage | Landline | Mcimetro Access Transmissio... |
| 630-822 | Itasca | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-823 | Hanover Park | Cook | Landline | Mcimetro Access Transmissio... |
| 630-824 | Downers Grove | Dupage | Landline | Ovation Communications Of I... |
| 630-825 | Bloomingdale | Dupage | Landline | Ovation Communications Of I... |
| 630-826 | Lemont | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-827 | Lombard | Dupage | Landline | Ovation Communications Of I... |
| 630-828 | Joliet | Will | Cell Phone | New Cingular Wireless Pcs,... |
| 630-829 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-830 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-832 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-833 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-834 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-835 | Elmhurst | Dupage | Landline | Ovation Communications Of I... |
| 630-836 | Warrenville | Dupage | Landline | Ameritech Illinois |
| 630-837 | Bartlett | Cook | Landline | Ameritech Illinois |
| 630-839 | Naperville | Dupage | Landline | Broadwing Communications, L... |
| 630-840 | Batavia | Kane | Landline | Ameritech Illinois |
| 630-841 | Glen Ellyn | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-842 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-844 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-845 | Geneva | Kane | Landline | Ameritech Illinois |
| 630-846 | Aurora | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-847 | Roselle | Dupage | Landline | Ymax Communications Corp. Il |
| 630-848 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-849 | Evanston | Cook | Cell Phone | Tmobile Usa, Inc. |
| 630-850 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-851 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-852 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-853 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-854 | Naperville | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-855 | Hanover Park | Cook | Landline | Teleport Communications Gro... |
| 630-856 | Hinsdale | Dupage | Landline | Ameritech Illinois |
| 630-857 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-858 | Glen Ellyn | Dupage | Landline | Ameritech Illinois |
| 630-859 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-860 | Bensenville | Dupage | Landline | Ameritech Illinois |
| 630-861 | Villa Park | Dupage | Landline | Mci Worldcom Communications... |
| 630-862 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-863 | Bolingbrook | Will | Cell Phone | Tmobile Usa, Inc. |
| 630-864 | Naperville | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-865 | Maywood | Cook | Cell Phone | Sprint Spectrum L.p. |
| 630-866 | Glen Ellyn | Dupage | Landline | Teleport Communications Gro... |
| 630-868 | Wheaton | Dupage | Landline | Broadwing Communications, L... |
| 630-869 | Glen Ellyn | Dupage | Landline | Peerless Network Of Illinoi... |
| 630-870 | Aurora | Dupage | Landline | Teleport Communications Gro... |
| 630-871 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-872 | Streamwood | Cook | Landline | Ameritech Illinois |
| 630-873 | Lombard | Dupage | Landline | Broadwing Communications, L... |
| 630-874 | Downers Grove | Dupage | Landline | Mci Worldcom Communications... |
| 630-875 | Itasca | Dupage | Landline | Ameritech Illinois |
| 630-876 | West Chicago | Dupage | Landline | Ameritech Illinois |
| 630-877 | Aurora | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-878 | Naperville | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-879 | Batavia | Kane | Landline | Ameritech Illinois |
| 630-880 | Elmhurst | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-881 | Elmhurst | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-882 | Yorkville | Kendall | Landline | At&t Local |
| 630-883 | Elgin | Kane | Landline | Level 3 Communications, Llc... |
| 630-884 | Big Rock | Kane | Landline | Xo Illinois, Inc. |
| 630-885 | Lisle | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-886 | Romeoville | Will | Cell Phone | Sprint Spectrum L.p. |
| 630-887 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-888 | Elgin | Kane | Cell Phone | Tmobile Usa, Inc. |
| 630-889 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-890 | Carol Stream | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-891 | Oak Brook | Dupage | Landline | Ovation Communications Of I... |
| 630-892 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-893 | Bloomingdale | Dupage | Landline | Ameritech Illinois |
| 630-894 | Roselle | Dupage | Landline | Ameritech Illinois |
| 630-895 | Aurora | Kane | Cell Phone | Usa Mobility Wireless, Inc. |
| 630-896 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-897 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-898 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-899 | Aurora | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-901 | Chicago | Cook | Landline | United States Cellular Corp... |
| 630-902 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-903 | Elmhurst | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-904 | Naperville | Will | Landline | Ameritech Illinois |
| 630-905 | Wood Dale | Dupage | Landline | Ameritech Illinois |
| 630-906 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-907 | North Aurora | Kane | Landline | Ameritech Illinois |
| 630-908 | Willowbrook | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-909 | Carol Stream | Dupage | Landline | Ovation Communications Of I... |
| 630-910 | Woodridge | Dupage | Landline | Ameritech Illinois |
| 630-913 | Northbrook | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-915 | Downers Grove | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-916 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-917 | Lombard | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-918 | Glen Ellyn | Dupage | Cell Phone | Nextel Communications, Inc. |
| 630-919 | Itasca | Dupage | Landline | Teleport Communications Gro... |
| 630-920 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-921 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-922 | Naperville | Will | Landline | Ameritech Illinois |
| 630-923 | Carol Stream | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-924 | Bloomingdale | Dupage | Landline | Ameritech Illinois |
| 630-925 | Lombard | Dupage | Landline | Xo Illinois, Inc. |
| 630-926 | Naperville | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-927 | Naperville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-928 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-929 | Downers Grove | Dupage | Landline | Broadwing Communications, L... |
| 630-930 | Addison | Dupage | Cell Phone | Sprint Spectrum L.p. |
| 630-931 | Itasca | Dupage | Landline | Teleport Communications Gro... |
| 630-932 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-933 | Wheaton | Dupage | Landline | Ameritech Illinois |
| 630-934 | Elburn | Kane | Landline | Sprint Communications Compa... |
| 630-935 | Elmhurst | Dupage | Cell Phone | Tmobile Usa, Inc. |
| 630-936 | Bensenville | Dupage | Landline | Level 3 Communications, Llc... |
| 630-937 | Batavia | Kane | Landline | Ovation Communications Of I... |
| 630-938 | Geneva | Kane | Landline | Broadwing Communications, L... |
| 630-939 | Saint Charles | Kane | Cell Phone | Cellco Partnership Dba Veri... |
| 630-940 | Saint Charles | Kane | Landline | Ovation Communications Of I... |
| 630-941 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-942 | Glen Ellyn | Dupage | Landline | Ameritech Illinois |
| 630-943 | Warrenville | Dupage | Landline | Teleport Communications Gro... |
| 630-944 | Downers Grove | Dupage | Landline | Broadwing Communications, L... |
| 630-945 | Saint Charles | Kane | Landline | Mci Worldcom Communications... |
| 630-946 | Naperville | Dupage | Landline | Ovation Communications Of I... |
| 630-947 | Aurora | Kane | Landline | Ovation Communications Of I... |
| 630-948 | Wood Dale | Dupage | Landline | Level 3 Communications, Llc... |
| 630-949 | Wheaton | Dupage | Landline | Paetec Communications, Inc.... |
| 630-951 | Willowbrook | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-952 | Yorkville | Kendall | Landline | Globalcom, Inc.il |
| 630-953 | Lombard | Dupage | Landline | Ameritech Illinois |
| 630-954 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-955 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-956 | Addison | Dupage | Landline | Ameritech Illinois |
| 630-957 | West Chicago | Dupage | Landline | Cimco Communications, Inc.... |
| 630-960 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-961 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-962 | Aurora | Dupage | Landline | Level 3 Communications, Llc... |
| 630-963 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-964 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-965 | Geneva | Kane | Cell Phone | Tmobile Usa, Inc. |
| 630-966 | Aurora | Kane | Landline | Ameritech Illinois |
| 630-967 | Downers Grove | Dupage | Landline | Cimco Communications, Inc.... |
| 630-968 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-969 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-970 | Lisle | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-971 | Downers Grove | Dupage | Landline | Ameritech Illinois |
| 630-972 | Bolingbrook | Will | Landline | Ameritech Illinois |
| 630-973 | Batavia | Kane | Cell Phone | Nextel Communications, Inc. |
| 630-974 | Willowbrook | Dupage | Landline | Broadwing Communications, L... |
| 630-975 | Bolingbrook | Will | Cell Phone | Cellco Partnership Dba Veri... |
| 630-976 | Chicago | Cook | Landline | Unknown |
| 630-978 | Aurora | Dupage | Landline | Ameritech Illinois |
| 630-979 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-980 | Roselle | Dupage | Landline | Ameritech Illinois |
| 630-981 | Downers Grove | Dupage | Landline | Xo Illinois, Inc. |
| 630-982 | Cary | McHenry | Landline | Broadwing Communications, L... |
| 630-983 | Naperville | Dupage | Landline | Ameritech Illinois |
| 630-984 | Glen Ellyn | Dupage | Landline | Level 3 Communications, Llc... |
| 630-985 | Woodridge | Dupage | Landline | Ameritech Illinois |
| 630-986 | Willowbrook | Dupage | Landline | Ameritech Illinois |
| 630-987 | Aurora | Kane | Cell Phone | New Cingular Wireless Pcs,... |
| 630-988 | Bensenville | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-989 | Aurora | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-990 | Oak Brook | Dupage | Landline | Ameritech Illinois |
| 630-991 | Lemont | Cook | Cell Phone | New Cingular Wireless Pcs,... |
| 630-992 | Darien | Dupage | Cell Phone | Cellco Partnership Dba Veri... |
| 630-993 | Elmhurst | Dupage | Landline | Ameritech Illinois |
| 630-994 | Roselle | Dupage | Landline | Mci Worldcom Communications... |
| 630-995 | Naperville | Dupage | Cell Phone | New Cingular Wireless Pcs,... |
| 630-998 | Aurora | Dupage | Landline | Mci Worldcom Communications... |