| Prefixes | City | County | Line Type | Company |
|---|---|---|---|---|
| 920-202 | Appleton | Outagamie | Landline | United States Cellular Corp... |
| 920-203 | Oshkosh | Winnebago | Cell Phone | Sprint Spectrum L.p. |
| 920-205 | Appleton | Outagamie | Cell Phone | Sprint Spectrum L.p. |
| 920-206 | Watertown | Jefferson | Landline | Ameritech Wisconsin |
| 920-207 | Sheboygan | Sheboygan | Landline | United States Cellular Corp... |
| 920-208 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-209 | Neenah | Winnebago | Landline | United States Cellular Corp... |
| 920-210 | Beaver Dam | Dodge | Landline | United States Cellular Corp... |
| 920-212 | Oshkosh | Winnebago | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-213 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-216 | Oshkosh | Winnebago | Cell Phone | New Cingular Wireless Pcs,... |
| 920-217 | Green Bay | Brown | Cell Phone | Sprint Spectrum L.p. |
| 920-219 | Beaver Dam | Dodge | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-220 | Jefferson | Jefferson | Cell Phone | Sprint Spectrum L.p. |
| 920-222 | Fort Atkinson | Jefferson | Cell Phone | Sprint Spectrum L.p. |
| 920-223 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-224 | Appleton | Outagamie | Landline | Net Lec, Inc. |
| 920-225 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-226 | Sheboygan | Sheboygan | Cell Phone | New Cingular Wireless Pcs,... |
| 920-227 | Green Bay | Brown | Landline | Global Crossing Telemanagem... |
| 920-228 | Seymour | Outagamie | Landline | New Cell, Inc. Dba Cellcom |
| 920-229 | Ripon | Fond Du Lac | Landline | United States Cellular Corp... |
| 920-230 | Oshkosh | Winnebago | Landline | Northern Telephone And Data... |
| 920-231 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-232 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-233 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-234 | Waupun | Fond Du Lac | Landline | Unknown |
| 920-235 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-236 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-237 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-238 | Fond Du Lac | Fond Du Lac | Landline | United States Cellular Corp... |
| 920-239 | Waupun | Fond Du Lac | Landline | Ovation Communications Of W... |
| 920-240 | Appleton | Outagamie | Landline | Level 3 Communications, Llc... |
| 920-242 | Manitowoc | Manitowoc | Cell Phone | Sprint Spectrum L.p. |
| 920-243 | Appleton | Outagamie | Landline | Global Crossing Telemanagem... |
| 920-244 | Ogdensburg | Waupaca | Landline | Manawa Telephone Co., Inc. |
| 920-245 | Ixonia | Jefferson | Landline | Teleport Communications Gro... |
| 920-246 | Green Bay | Brown | Cell Phone | Cellco Partnership Dba Veri... |
| 920-248 | Watertown | Jefferson | Cell Phone | Sprint Spectrum L.p. |
| 920-249 | Appleton | Outagamie | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-250 | New London | Waupaca | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-251 | Fond Du Lac | Fond Du Lac | Cell Phone | Sprint Spectrum L.p. |
| 920-252 | Minneapolis | Hennepin | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-253 | Watertown | Jefferson | Landline | United States Cellular Corp... |
| 920-254 | Sheboygan | Sheboygan | Cell Phone | Sprint Spectrum L.p. |
| 920-255 | Kewaunee | Kewaunee | Landline | Wisconsin Rsa #10 Limited P... |
| 920-256 | Berlin | Green Lake | Cell Phone | Sprint Spectrum L.p. |
| 920-257 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-258 | Waupaca | Waupaca | Cell Phone | Usa Mobility Wireless, Inc. |
| 920-261 | Watertown | Jefferson | Landline | Ameritech Wisconsin |
| 920-262 | Watertown | Jefferson | Landline | Ameritech Wisconsin |
| 920-264 | Green Bay | Brown | Landline | Level 3 Communications, Llc... |
| 920-265 | Green Bay | Brown | Cell Phone | Sprint Spectrum L.p. |
| 920-266 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-267 | Oshkosh | Winnebago | Landline | Level 3 Communications, Llc... |
| 920-268 | Appleton | Outagamie | Landline | Level 3 Communications, Llc... |
| 920-269 | Lomira | Dodge | Landline | Frontier North Inc. Wi |
| 920-271 | Green Bay | Brown | Landline | Tds Metrocom Inc. Wi |
| 920-272 | Green Bay | Brown | Landline | Net Lec, Inc. |
| 920-273 | Fond Du Lac | Fond Du Lac | Landline | Us Xchange Of Wisconsin Llc... |
| 920-276 | Theresa | Dodge | Landline | Frontier North Inc. Wi |
| 920-277 | Appleton | Outagamie | Cell Phone | Sprint Spectrum L.p. |
| 920-278 | De Pere | Brown | Landline | Global Crossing Telemanagem... |
| 920-279 | Oshkosh | Winnebago | Cell Phone | Cellco Partnership Dba Veri... |
| 920-281 | Appleton | Outagamie | Landline | Tds Metrocom Inc. Wi |
| 920-282 | De Pere | Brown | Landline | Telnetwi, Llc Wi |
| 920-284 | Appleton | Outagamie | Cell Phone | Cellco Partnership Dba Veri... |
| 920-285 | Lebanon | Dodge | Cell Phone | New Cingular Wireless Pcs,... |
| 920-286 | Kiel | Manitowoc | Landline | United States Cellular Corp... |
| 920-287 | Sheboygan | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-288 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-289 | Oshkosh | Winnebago | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-290 | Berlin | Green Lake | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-291 | Berlin | Green Lake | Landline | United States Cellular Corp... |
| 920-292 | Oshkosh | Winnebago | Cell Phone | Airadigm Communications Inc |
| 920-293 | Neshkoro | Marquette | Landline | Centurytel Midwestwi Llc N... |
| 920-294 | Green Lake | Green Lake | Landline | Centurytel Midwestkendall... |
| 920-295 | Princeton | Green Lake | Landline | Centurytel Midwestkendall... |
| 920-296 | Beaver Dam | Dodge | Landline | United States Cellular Corp... |
| 920-299 | Green Lake | Green Lake | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-300 | Sedona | Yavapai | Landline | Unknown |
| 920-303 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-306 | Fond Du Lac | Fond Du Lac | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-309 | Green Bay | Brown | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-312 | Omro | Winnebago | Cell Phone | Alltel Communications, Inc.... |
| 920-313 | Chilton | Calumet | Cell Phone | Tmobile Usa, Inc. |
| 920-316 | Plymouth | Sheboygan | Cell Phone | Tmobile Usa, Inc. |
| 920-318 | Columbus | Columbia | Cell Phone | Sprint Spectrum L.p. |
| 920-319 | Beaver Dam | Dodge | Cell Phone | New Cingular Wireless Pcs,... |
| 920-320 | Manitowoc | Manitowoc | Landline | Ameritech Wisconsin |
| 920-321 | Green Bay | Brown | Landline | Mcleodusa Telecommunication... |
| 920-322 | Fond Du Lac | Fond Du Lac | Landline | Tds Metrocom Inc. Wi |
| 920-323 | Manitowoc | Manitowoc | Landline | New Cell, Inc. Dba Cellcom |
| 920-324 | Waupun | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-325 | Appleton | Outagamie | Landline | Norlight, Inc. Wi |
| 920-326 | Randolph | Dodge | Landline | Centurytel Southern Wiscons... |
| 920-327 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-328 | Green Bay | Brown | Landline | Global Crossing Telemanagem... |
| 920-330 | De Pere | Brown | Landline | Ameritech Wisconsin |
| 920-331 | Sheboygan | Sheboygan | Cell Phone | Airadigm Communications Inc |
| 920-332 | Brandon | Fond Du Lac | Landline | Teleport Communications Gro... |
| 920-333 | Green Bay | Brown | Cell Phone | Nextel Communications, Inc. |
| 920-334 | West Bend | Washington | Landline | New Cell, Inc. Dba Cellcom |
| 920-336 | De Pere | Brown | Landline | Ameritech Wisconsin |
| 920-337 | De Pere | Brown | Landline | Ameritech Wisconsin |
| 920-338 | De Pere | Brown | Landline | Ameritech Wisconsin |
| 920-339 | De Pere | Brown | Landline | Ameritech Wisconsin |
| 920-342 | Racine | Racine | Cell Phone | Cellco Partnership Dba Veri... |
| 920-344 | Beaver Dam | Dodge | Cell Phone | Cellco Partnership Dba Veri... |
| 920-345 | Waupun | Fond Du Lac | Landline | Teleport Communications Gro... |
| 920-346 | Brandon | Fond Du Lac | Landline | Centurytel Fairwaterbrando... |
| 920-347 | De Pere | Brown | Landline | Tds Metrocom Inc. Wi |
| 920-348 | Cambria | Columbia | Landline | Centurytel Southern Wiscons... |
| 920-349 | Hustisford | Dodge | Landline | Frontier North Inc. Wi |
| 920-350 | Columbus | Columbia | Landline | Charter Fiberlink Cco, Llc... |
| 920-351 | De Pere | Brown | Landline | Mcleodusa Telecommunication... |
| 920-355 | Oconomowoc | Waukesha | Landline | Frontier North Inc. Wi |
| 920-356 | Beaver Dam | Dodge | Landline | Ameritech Wisconsin |
| 920-358 | Appleton | Outagamie | Landline | Sbc Internet Services, Inc. |
| 920-359 | New London | Waupaca | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-360 | Green Bay | Brown | Landline | United States Cellular Corp... |
| 920-361 | Berlin | Green Lake | Landline | Centurytel Midwestkendall... |
| 920-362 | Green Bay | Brown | Landline | United States Cellular Corp... |
| 920-363 | Green Bay | Brown | Landline | Charter Fiberlink Cco, Llc... |
| 920-364 | Appleton | Outagamie | Landline | Sprint Communications Compa... |
| 920-365 | Beloit | Rock | Landline | Ameritech Wisconsin |
| 920-366 | Green Bay | Brown | Landline | United States Cellular Corp... |
| 920-367 | Green Bay | Brown | Landline | Telnetwi, Llc Wi |
| 920-369 | Appleton | Outagamie | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-370 | Green Bay | Brown | Landline | United States Cellular Corp... |
| 920-371 | Green Bay | Brown | Cell Phone | Nextel Communications, Inc. |
| 920-372 | Appleton | Outagamie | Landline | Global Crossing Telemanagem... |
| 920-373 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-374 | Manitowoc | Manitowoc | Cell Phone | Nextel Communications, Inc. |
| 920-375 | Fond Du Lac | Fond Du Lac | Cell Phone | Nextel Communications, Inc. |
| 920-376 | Oshkosh | Winnebago | Cell Phone | Nextel Communications, Inc. |
| 920-377 | Sheboygan | Sheboygan | Cell Phone | Nextel Communications, Inc. |
| 920-378 | Appleton | Outagamie | Cell Phone | Nextel Communications, Inc. |
| 920-379 | Oshkosh | Winnebago | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-380 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-381 | Berlin | Green Lake | Cell Phone | Usa Mobility Wireless, Inc. |
| 920-382 | Beaver Dam | Dodge | Landline | United States Cellular Corp... |
| 920-383 | Neenah | Winnebago | Landline | Net Lec, Inc. |
| 920-385 | Oshkosh | Winnebago | Landline | Sprint Communications Compa... |
| 920-386 | Juneau | Dodge | Landline | Ameritech Wisconsin |
| 920-387 | Mayville | Dodge | Landline | Ameritech Wisconsin |
| 920-388 | Kewaunee | Kewaunee | Landline | Ameritech Wisconsin |
| 920-390 | Watertown | Jefferson | Cell Phone | New Cingular Wireless Pcs,... |
| 920-391 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-394 | Dalton | Green Lake | Landline | Centurytel Central Wisconsi... |
| 920-395 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-397 | Fort Atkinson | Jefferson | Cell Phone | New Cingular Wireless Pcs,... |
| 920-398 | Markesan | Green Lake | Landline | Centurytel Central Wisconsi... |
| 920-403 | De Pere | Brown | Landline | Ameritech Wisconsin |
| 920-404 | De Pere | Brown | Landline | Unknown |
| 920-405 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-406 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-407 | Fremont | Waupaca | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-410 | Oshkosh | Winnebago | Landline | United States Cellular Corp... |
| 920-412 | Green Bay | Brown | Landline | United States Cellular Corp... |
| 920-413 | Appleton | Outagamie | Landline | Unknown |
| 920-418 | Brillion | Calumet | Landline | United States Cellular Corp... |
| 920-419 | Appleton | Outagamie | Landline | New Cell, Inc. Dba Cellcom |
| 920-420 | Oshkosh | Winnebago | Landline | United States Cellular Corp... |
| 920-421 | Fish Creek | Door | Landline | New Cell, Inc. Dba Cellcom |
| 920-422 | Appleton | Outagamie | Landline | Metro Southwest Pcs, Llp |
| 920-423 | Little Chute | Outagamie | Landline | Global Crossing Telemanagem... |
| 920-424 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-425 | De Pere | Brown | Landline | Net Lec, Inc. |
| 920-426 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-427 | Appleton | Outagamie | Landline | United States Cellular Corp... |
| 920-428 | Appleton | Outagamie | Landline | United States Cellular Corp... |
| 920-429 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-430 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-431 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-432 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-433 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-434 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-435 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-436 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-437 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-438 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-439 | Chilton | Calumet | Landline | Stockbridge & Sherwood Tele... |
| 920-443 | Reedsville | Manitowoc | Landline | Level 3 Communications, Llc... |
| 920-444 | Green Bay | Brown | Landline | Unknown |
| 920-445 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-446 | Fremont | Waupaca | Landline | Centurytel Mwwicencom Dba... |
| 920-447 | Random Lake | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-448 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-449 | Plymouth | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-450 | Appleton | Outagamie | Landline | United States Cellular Corp... |
| 920-451 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-452 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-453 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-455 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-456 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-457 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-458 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-459 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-460 | Green Bay | Brown | Landline | United States Cellular Corp... |
| 920-462 | Kaukauna | Outagamie | Landline | Us Xchange Of Wisconsin Llc... |
| 920-464 | Chilton | Calumet | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-465 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-467 | Sheboygan Falls | Sheboygan | Landline | Ameritech Wisconsin |
| 920-468 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-469 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-470 | Appleton | Outagamie | Landline | United States Cellular Corp... |
| 920-471 | Green Bay | Brown | Landline | Level 3 Communications, Llc... |
| 920-472 | Appleton | Outagamie | Landline | Level 3 Communications, Llc... |
| 920-473 | Neenah | Winnebago | Landline | Level 3 Communications, Llc... |
| 920-474 | Oconomowoc | Waukesha | Landline | Frontier North Inc. Wi |
| 920-475 | Appleton | Outagamie | Cell Phone | New Cingular Wireless Pcs,... |
| 920-476 | Milwaukee | Milwaukee | Landline | Time Warner Communications... |
| 920-477 | Eden | Fond Du Lac | Landline | Frontier North Inc. Wi |
| 920-478 | Waterloo | Jefferson | Landline | Frontier North Inc. Wi |
| 920-481 | Princeton | Green Lake | Landline | Telnetwi, Llc Wi |
| 920-482 | Manitowoc | Manitowoc | Landline | Us Xchange Of Wisconsin Llc... |
| 920-484 | Fall River | Columbia | Landline | Centurytel Southern Wiscons... |
| 920-485 | Horicon | Dodge | Landline | Ameritech Wisconsin |
| 920-486 | Neenah | Winnebago | Landline | Level 3 Communications, Llc... |
| 920-487 | Algoma | Kewaunee | Landline | Ameritech Wisconsin |
| 920-488 | Theresa | Dodge | Landline | Frontier North Inc. Wi |
| 920-489 | Sheboygan | Sheboygan | Landline | Unknown |
| 920-490 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-491 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-492 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-493 | Sturgeon Bay | Door | Landline | New Cell, Inc. Dba Cellcom |
| 920-494 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-495 | Sturgeon Bay | Door | Landline | New Cell, Inc. Dba Cellcom |
| 920-496 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-497 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-498 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-499 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-504 | Seymour | Outagamie | Landline | Sprint Communications Compa... |
| 920-505 | Green Bay | Brown | Landline | Telnetwi, Llc Wi |
| 920-506 | Green Bay | Brown | Landline | Unknown |
| 920-507 | Sherwood | Calumet | Landline | Sprint Communications Compa... |
| 920-517 | Fond Du Lac | Fond Du Lac | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-519 | Black Creek | Outagamie | Landline | Charter Fiberlink Cco, Llc... |
| 920-520 | Fox Lake | Dodge | Landline | Charter Fiberlink Cco, Llc... |
| 920-521 | Menasha | Winnebago | Landline | Global Crossing Telemanagem... |
| 920-522 | Chilton | Calumet | Landline | Level 3 Communications, Llc... |
| 920-523 | Cascade | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-524 | Brillion | Calumet | Landline | Level 3 Communications, Llc... |
| 920-525 | Black Creek | Outagamie | Landline | Centurytel Central Wisconsi... |
| 920-526 | Glenbeulah | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-527 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-528 | Cascade | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-531 | New London | Waupaca | Landline | Sbc Internet Services, Inc. |
| 920-532 | Wrightstown | Brown | Landline | Ameritech Wisconsin |
| 920-533 | Campbellsport | Fond Du Lac | Landline | Frontier North Inc. Wi |
| 920-536 | Luxemburg | Kewaunee | Landline | New Cell, Inc. Dba Cellcom |
| 920-538 | New London | Waupaca | Landline | United States Cellular Corp... |
| 920-539 | Neenah | Winnebago | Cell Phone | Cellco Partnership Dba Veri... |
| 920-540 | Appleton | Outagamie | Cell Phone | New Cingular Wireless Pcs,... |
| 920-541 | Jefferson | Jefferson | Landline | Teleport Communications Gro... |
| 920-542 | Fort Atkinson | Jefferson | Landline | Teleport Communications Gro... |
| 920-543 | Appleton | Outagamie | Landline | Teleport Communications Gro... |
| 920-544 | Green Bay | Brown | Landline | Sprint Communications Compa... |
| 920-545 | Watertown | Jefferson | Landline | Level 3 Communications, Llc... |
| 920-547 | Sheboygan | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-550 | Sheboygan Falls | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-552 | Oostburg | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-553 | Two Rivers | Manitowoc | Landline | Lakefield Communications, I... |
| 920-554 | Green Bay | Brown | Landline | American Messaging (am), Inc. |
| 920-556 | Green Bay | Brown | Landline | American Messaging (am), Inc. |
| 920-558 | Neenah | Winnebago | Landline | Sprint Communications Compa... |
| 920-559 | Sturgeon Bay | Door | Landline | United States Cellular Corp... |
| 920-560 | Appleton | Outagamie | Landline | Tds Metrocom Inc. Wi |
| 920-562 | Green Bay | Brown | Cell Phone | New Cingular Wireless Pcs,... |
| 920-563 | Fort Atkinson | Jefferson | Landline | Ameritech Wisconsin |
| 920-564 | Oostburg | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-565 | Sheboygan | Sheboygan | Landline | Eastcoast Telecom, Inc. |
| 920-566 | Redgranite | Waushara | Landline | Centurytel Midwestkendall... |
| 920-567 | Watertown | Jefferson | Landline | Ovation Communications Of W... |
| 920-568 | Fort Atkinson | Jefferson | Landline | Ameritech Wisconsin |
| 920-569 | Green Bay | Brown | Landline | Us Xchange Of Wisconsin Llc... |
| 920-570 | Appleton | Outagamie | Cell Phone | Alltel Communications, Inc.... |
| 920-572 | Neshkoro | Marquette | Cell Phone | Alltel Communications, Inc.... |
| 920-574 | Appleton | Outagamie | Landline | Level 3 Communications, Llc... |
| 920-576 | Plymouth | Sheboygan | Landline | Jsm Telepage Inc. |
| 920-579 | Fond Du Lac | Fond Du Lac | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-581 | Fond Du Lac | Fond Du Lac | Landline | Ovation Communications Of W... |
| 920-582 | Winneconne | Winnebago | Landline | Ameritech Wisconsin |
| 920-583 | Oakfield | Fond Du Lac | Landline | Frontier North Inc. Wi |
| 920-585 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-586 | Green Bay | Brown | Landline | Jsm Telepage Inc. |
| 920-587 | Oostburg | Sheboygan | Landline | Level 3 Communications, Llc... |
| 920-589 | Pickett | Winnebago | Landline | Centurytel Central Wisconsi... |
| 920-590 | Suring | Oconto | Landline | New Cell, Inc. Dba Cellcom |
| 920-592 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-593 | Green Bay | Brown | Landline | Mcimetro Access Transmissio... |
| 920-596 | Manawa | Waupaca | Landline | Manawa Telephone Co., Inc. |
| 920-598 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-599 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-602 | Fond Du Lac | Fond Du Lac | Cell Phone | New Cingular Wireless Pcs,... |
| 920-604 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-605 | Wisconsin Rapids | Wood | Cell Phone | Nextel Communications, Inc. |
| 920-606 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-609 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-615 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-616 | Menasha | Winnebago | Cell Phone | Usa Mobility Wireless, Inc. |
| 920-617 | Green Bay | Brown | Landline | Net Lec, Inc. |
| 920-619 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-621 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-622 | Wild Rose | Waushara | Landline | Centurytel Midwestwi Llc N... |
| 920-623 | Columbus | Columbia | Landline | Ameritech Wisconsin |
| 920-624 | Saint Cloud | Fond Du Lac | Landline | Level 3 Communications, Llc... |
| 920-625 | Neosho | Dodge | Landline | Frontier North Inc. Wi |
| 920-626 | Kewaskum | Washington | Landline | Teleport Communications Gro... |
| 920-627 | Sheboygan | Sheboygan | Landline | United States Cellular Corp... |
| 920-628 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-629 | Appleton | Outagamie | Cell Phone | Cellco Partnership Dba Veri... |
| 920-630 | Appleton | Outagamie | Cell Phone | Airadigm Communications Inc |
| 920-631 | Ripon | Fond Du Lac | Landline | Sbc Internet Services, Inc. |
| 920-632 | De Pere | Brown | Landline | At&t Local |
| 920-633 | Racine | Racine | Cell Phone | Michigan Wireless, Llc Dba... |
| 920-634 | Green Bay | Brown | Landline | At&t Local |
| 920-636 | Appleton | Outagamie | Landline | At&t Local |
| 920-639 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-643 | Horicon | Dodge | Landline | Teleport Communications Gro... |
| 920-644 | Mayville | Dodge | Landline | Teleport Communications Gro... |
| 920-645 | Two Rivers | Manitowoc | Landline | Level 3 Communications, Llc... |
| 920-648 | Lake Mills | Jefferson | Landline | Frontier North Inc. Wi |
| 920-650 | Jefferson | Jefferson | Cell Phone | New Cingular Wireless Pcs,... |
| 920-651 | Oshkosh | Winnebago | Landline | Tds Metrocom Inc. Wi |
| 920-652 | Manitowoc | Manitowoc | Landline | Ameritech Wisconsin |
| 920-653 | Milwaukee | Milwaukee | Landline | Level 3 Communications, Llc... |
| 920-654 | Mishicot | Manitowoc | Landline | Level 3 Communications, Llc... |
| 920-655 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-657 | Two Rivers | Manitowoc | Landline | Level 3 Communications, Llc... |
| 920-660 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-661 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-662 | Green Bay | Brown | Landline | Ameritech Wisconsin |
| 920-663 | Madison | Dane | Landline | Teleport Communications Gro... |
| 920-667 | Fremont | Waupaca | Landline | Centurytel Of Larsenreadfi... |
| 920-668 | Cedar Grove | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-669 | Johnson Creek | Jefferson | Landline | Telnetwi, Llc Wi |
| 920-670 | Malone | Fond Du Lac | Landline | Charter Fiberlink Cco, Llc... |
| 920-673 | Hartford | Washington | Landline | Unknown |
| 920-674 | Jefferson | Jefferson | Landline | Ameritech Wisconsin |
| 920-675 | Jefferson | Jefferson | Landline | Ameritech Wisconsin |
| 920-676 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-680 | Green Bay | Brown | Landline | New Cell, Inc. Dba Cellcom |
| 920-681 | Manitowoc | Manitowoc | Cell Phone | Airadigm Communications Inc |
| 920-682 | Manitowoc | Manitowoc | Landline | Ameritech Wisconsin |
| 920-683 | Manitowoc | Manitowoc | Landline | Ameritech Wisconsin |
| 920-684 | Manitowoc | Manitowoc | Landline | Ameritech Wisconsin |
| 920-685 | Omro | Winnebago | Landline | Ameritech Wisconsin |
| 920-686 | Manitowoc | Manitowoc | Landline | Ameritech Wisconsin |
| 920-687 | Little Chute | Outagamie | Landline | Ameritech Wisconsin |
| 920-688 | Oshkosh | Winnebago | Landline | Ameritech Wisconsin |
| 920-689 | Burnett | Dodge | Landline | Ameritech Wisconsin |
| 920-691 | Fort Atkinson | Jefferson | Landline | Ovation Communications Of W... |
| 920-692 | Random Lake | Sheboygan | Cell Phone | Michigan Wireless, Llc Dba... |
| 920-693 | Cleveland | Manitowoc | Landline | Eastcoast Telecom, Inc. |
| 920-694 | Sheboygan | Sheboygan | Landline | Us Xchange Of Wisconsin Llc... |
| 920-696 | Juneau | Dodge | Landline | Frontier North Inc. Wi |
| 920-697 | Kenosha | Kenosha | Cell Phone | Michigan Wireless, Llc Dba... |
| 920-698 | Sheboygan | Sheboygan | Cell Phone | New Cingular Wireless Pcs,... |
| 920-699 | Johnson Creek | Jefferson | Landline | Riverside Telcom, Inc. |
| 920-702 | Appleton | Outagamie | Cell Phone | Airadigm Communications Inc |
| 920-706 | Winneconne | Winnebago | Cell Phone | Nextel Communications, Inc. |
| 920-707 | Appleton | Outagamie | Cell Phone | Airadigm Communications Inc |
| 920-710 | Hortonville | Outagamie | Landline | Sprint Communications Compa... |
| 920-712 | Green Bay | Brown | Cell Phone | Airadigm Communications Inc |
| 920-713 | Green Bay | Brown | Cell Phone | Airadigm Communications Inc |
| 920-716 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-717 | Brillion | Calumet | Landline | Unknown |
| 920-720 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-721 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-722 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-723 | Fort Atkinson | Jefferson | Landline | United States Cellular Corp... |
| 920-724 | Appleton | Outagamie | Landline | Net Lec, Inc. |
| 920-725 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-726 | Newton | Manitowoc | Landline | Lakefield Telephone Company |
| 920-727 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-728 | Fort Atkinson | Jefferson | Landline | United States Cellular Corp... |
| 920-729 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-730 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-731 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-732 | Whitelaw | Manitowoc | Landline | Frontier North Inc. Wi |
| 920-733 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-734 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-735 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-737 | Green Bay | Brown | Cell Phone | Cellco Partnership Dba Veri... |
| 920-738 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-739 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-740 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-741 | Fort Atkinson | Jefferson | Landline | Charter Fiberlink Cco, Llc... |
| 920-742 | Beaver Dam | Dodge | Landline | Unknown |
| 920-743 | Sturgeon Bay | Door | Landline | Ameritech Wisconsin |
| 920-744 | Sun Prairie | Dane | Landline | Global Crossing Telemanagem... |
| 920-745 | Ripon | Fond Du Lac | Landline | Centurytel Midwestwi Llc N... |
| 920-746 | Sturgeon Bay | Door | Landline | Ameritech Wisconsin |
| 920-747 | Johnson Creek | Jefferson | Cell Phone | Tmobile Usa, Inc. |
| 920-748 | Ripon | Fond Du Lac | Landline | Centurytel Midwestwi Llc N... |
| 920-749 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-750 | Kaukauna | Outagamie | Cell Phone | New Cingular Wireless Pcs,... |
| 920-751 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-752 | New London | Waupaca | Landline | Unknown |
| 920-753 | Mount Calvary | Fond Du Lac | Landline | Frontier North Inc. Wi |
| 920-754 | Reedsville | Manitowoc | Landline | Frontier North Inc. Wi |
| 920-755 | Mishicot | Manitowoc | Landline | Frontier North Inc. Wi |
| 920-756 | Brillion | Calumet | Landline | Frontier North Inc. Wi |
| 920-757 | Greenville | Outagamie | Landline | Ameritech Wisconsin |
| 920-758 | Manitowoc | Manitowoc | Landline | Lakefield Telephone Company |
| 920-759 | Kaukauna | Outagamie | Landline | Ameritech Wisconsin |
| 920-763 | Middleton | Dane | Landline | Time Warner Communications... |
| 920-765 | Plainfield | Waushara | Landline | Wi Rsa #7 Limited Partnersh... |
| 920-766 | Kaukauna | Outagamie | Landline | Ameritech Wisconsin |
| 920-767 | Markesan | Green Lake | Landline | Charter Fiberlink Cco, Llc... |
| 920-768 | Watertown | Jefferson | Landline | Telnetwi, Llc Wi |
| 920-769 | Manitowoc | Manitowoc | Landline | Ovation Communications Of W... |
| 920-772 | Reedsville | Manitowoc | Landline | Eastcoast Telecom, Inc. |
| 920-773 | Valders | Manitowoc | Landline | Eastcoast Telecom, Inc. |
| 920-775 | Valders | Manitowoc | Landline | Eastcoast Telecom, Inc. |
| 920-776 | Denmark | Brown | Landline | Stockbridge & Sherwood Tele... |
| 920-777 | Hortonville | Outagamie | Landline | Unknown |
| 920-778 | Larsen | Winnebago | Landline | Sprint Communications Compa... |
| 920-779 | Hortonville | Outagamie | Landline | Ameritech Wisconsin |
| 920-781 | Elkhart Lake | Sheboygan | Landline | Sprint Communications Compa... |
| 920-782 | Cleveland | Manitowoc | Landline | Sprint Communications Compa... |
| 920-783 | Sheboygan | Sheboygan | Landline | Ovation Communications Of W... |
| 920-784 | Black Creek | Outagamie | Landline | Neutral Tandemillinois, Ll... |
| 920-785 | Fremont | Waupaca | Landline | Ymax Communications Corp. Wi |
| 920-786 | Appleton | Outagamie | Cell Phone | Tmobile Usa, Inc. |
| 920-787 | Wautoma | Waushara | Landline | Centurytel Central Wisconsi... |
| 920-788 | Little Chute | Outagamie | Landline | Ameritech Wisconsin |
| 920-793 | Two Rivers | Manitowoc | Landline | Frontier North Inc. Wi |
| 920-794 | Two Rivers | Manitowoc | Landline | Frontier North Inc. Wi |
| 920-795 | Malone | Fond Du Lac | Landline | Frontier North Inc. Wi |
| 920-796 | Whitelaw | Manitowoc | Landline | Level 3 Communications, Llc... |
| 920-798 | Oconto | Oconto | Landline | Level 3 Communications, Llc... |
| 920-800 | Wautoma | Waushara | Landline | Unknown |
| 920-803 | Sheboygan | Sheboygan | Landline | Ameritech Wisconsin |
| 920-807 | Green Lake | Green Lake | Landline | Charter Fiberlink Cco, Llc... |
| 920-809 | Appleton | Outagamie | Cell Phone | New Cingular Wireless Pcs,... |
| 920-810 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-814 | Sister Bay | Door | Landline | Unknown |
| 920-818 | Sturgeon Bay | Door | Landline | Charter Fiberlink Cco, Llc... |
| 920-819 | Green Bay | Brown | Cell Phone | New Cingular Wireless Pcs,... |
| 920-821 | Beaver Dam | Dodge | Landline | Ovation Communications Of W... |
| 920-822 | Pulaski | Shawano | Landline | Northeast Telephone Co. |
| 920-823 | Sturgeon Bay | Door | Landline | Frontier North Inc. Wi |
| 920-824 | Sturgeon Bay | Door | Landline | Centurytel Of Forestville L... |
| 920-825 | Brussels | Door | Landline | Centurytel Of Forestville L... |
| 920-826 | Abrams | Oconto | Landline | Bayland Telephone, Inc. |
| 920-827 | New Holstein | Calumet | Landline | Level 3 Communications, Llc... |
| 920-828 | Sheboygan | Sheboygan | Landline | Sprint Communications Compa... |
| 920-829 | Lena | Oconto | Landline | Centurytel Mwwicencom Dba... |
| 920-830 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-831 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-832 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-833 | Seymour | Outagamie | Landline | Centurytel Central Wisconsi... |
| 920-834 | Oconto | Oconto | Landline | Centurytel Midwestkendall... |
| 920-835 | Oconto | Oconto | Landline | Bayland Communications, Inc. |
| 920-836 | Larsen | Winnebago | Landline | Centurytel Of Larsenreadfi... |
| 920-837 | Casco | Kewaunee | Landline | Centurytel Mwwisconsin Dba... |
| 920-838 | Elkhart Lake | Sheboygan | Landline | United States Cellular Corp... |
| 920-839 | Baileys Harbor | Door | Landline | Frontier North Inc. Wi |
| 920-840 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-841 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-842 | Suring | Oconto | Landline | Telephone Usa Of Wisconsin,... |
| 920-843 | Green Bay | Brown | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-845 | Luxemburg | Kewaunee | Landline | Centurytel Central Wisconsi... |
| 920-846 | Oconto Falls | Oconto | Landline | Centurytel Midwestkendall... |
| 920-847 | Washington Island | Door | Landline | Frontier North Inc. Wi |
| 920-848 | Oconto Falls | Oconto | Landline | Bayland Communications, Inc. |
| 920-849 | Chilton | Calumet | Landline | Frontier North Inc. Wi |
| 920-850 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-851 | Appleton | Outagamie | Cell Phone | Verizon Wireless (vaw), Llc |
| 920-852 | Rosendale | Fond Du Lac | Landline | Charter Fiberlink Cco, Llc... |
| 920-853 | Hilbert | Calumet | Landline | Frontier North Inc. Wi |
| 920-854 | Sister Bay | Door | Landline | Frontier North Inc. Wi |
| 920-855 | Gillett | Oconto | Landline | Telephone Usa Of Wisconsin,... |
| 920-856 | Forestville | Door | Landline | Centurytel Of Forestville L... |
| 920-857 | Green Bay | Brown | Landline | Telnetwi, Llc Wi |
| 920-858 | Appleton | Outagamie | Landline | United States Cellular Corp... |
| 920-859 | Omro | Winnebago | Landline | Charter Fiberlink Cco, Llc... |
| 920-860 | Appleton | Outagamie | Cell Phone | New Cingular Wireless Pcs,... |
| 920-862 | Campbellsport | Fond Du Lac | Landline | Charter Fiberlink Cco, Llc... |
| 920-863 | Denmark | Brown | Landline | Centurytel Central Wisconsi... |
| 920-864 | Greenleaf | Brown | Landline | Centurytel Mwwiwayside Db... |
| 920-865 | Green Bay | Brown | Landline | Northeast Telephone Co. |
| 920-866 | New Franken | Brown | Landline | Centurytel Central Wisconsi... |
| 920-867 | Weyauwega | Waupaca | Landline | Centurytel Mwwicencom Dba... |
| 920-868 | Egg Harbor | Door | Landline | Frontier North Inc. Wi |
| 920-869 | Oneida | Brown | Landline | Northeast Telephone Co. |
| 920-871 | Hilbert | Calumet | Landline | Sprint Communications Compa... |
| 920-872 | Rosendale | Fond Du Lac | Landline | Centurytel Central Wisconsi... |
| 920-874 | Washington Island | Door | Landline | Unknown |
| 920-876 | Elkhart Lake | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-878 | Fall Creek | Eau Claire | Landline | Metro Southwest Pcs, Llp |
| 920-880 | Appleton | Outagamie | Landline | Unknown |
| 920-881 | Kiel | Manitowoc | Landline | Sprint Communications Compa... |
| 920-882 | Appleton | Outagamie | Landline | Tds Metrocom Inc. Wi |
| 920-883 | Delavan | Walworth | Landline | Ameritech Wisconsin |
| 920-884 | Green Bay | Brown | Landline | Tds Metrocom Inc. Wi |
| 920-885 | Beaver Dam | Dodge | Landline | Ameritech Wisconsin |
| 920-886 | Neenah | Winnebago | Landline | Tds Metrocom Inc. Wi |
| 920-887 | Beaver Dam | Dodge | Landline | Ameritech Wisconsin |
| 920-889 | Sheboygan | Sheboygan | Cell Phone | Cellco Partnership Dba Veri... |
| 920-892 | Plymouth | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-893 | Plymouth | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-894 | Kiel | Manitowoc | Landline | Frontier North Inc. Wi |
| 920-896 | Ripon | Fond Du Lac | Landline | Charter Fiberlink Cco, Llc... |
| 920-897 | Pound | Marinette | Landline | Centurytel Mwwicencom Dba... |
| 920-898 | New Holstein | Calumet | Landline | Frontier North Inc. Wi |
| 920-899 | Krakow | Shawano | Landline | Northeast Telephone Co. |
| 920-901 | Manitowoc | Manitowoc | Landline | United States Cellular Corp... |
| 920-904 | Fond Du Lac | Fond Du Lac | Landline | United States Cellular Corp... |
| 920-905 | Manitowoc | Manitowoc | Landline | United States Cellular Corp... |
| 920-906 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-907 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-908 | Appleton | Outagamie | Landline | Unknown |
| 920-912 | Sheboygan | Sheboygan | Cell Phone | New Cingular Wireless Pcs,... |
| 920-913 | Fond Du Lac | Fond Du Lac | Cell Phone | Airadigm Communications Inc |
| 920-915 | Appleton | Outagamie | Cell Phone | Cellco Partnership Dba Veri... |
| 920-917 | Sheboygan | Sheboygan | Cell Phone | New Cingular Wireless Pcs,... |
| 920-918 | Sheboygan | Sheboygan | Cell Phone | New Cingular Wireless Pcs,... |
| 920-921 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-922 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-923 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-924 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-925 | Watertown | Dodge | Landline | Frontier North Inc. Wi |
| 920-926 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-927 | Reeseville | Dodge | Landline | Riverside Telcom, Inc. |
| 920-928 | Fox Lake | Dodge | Landline | Centurytel Southern Wiscons... |
| 920-929 | Fond Du Lac | Fond Du Lac | Landline | Ameritech Wisconsin |
| 920-932 | Ironwood | Gogebic | Landline | Unknown |
| 920-933 | Fond Du Lac | Fond Du Lac | Landline | Level 3 Communications, Llc... |
| 920-934 | Marinette | Marinette | Landline | Unknown |
| 920-938 | Shiocton | Outagamie | Landline | Charter Fiberlink Cco, Llc... |
| 920-942 | Sheboygan | Sheboygan | Landline | Unknown |
| 920-944 | Random Lake | Sheboygan | Landline | Norlight, Inc. Wi |
| 920-945 | Lake Mills | Jefferson | Landline | Charter Fiberlink Cco, Llc... |
| 920-946 | Sheboygan | Sheboygan | Landline | United States Cellular Corp... |
| 920-947 | Fond Du Lac | Fond Du Lac | Landline | Unknown |
| 920-948 | Fond Du Lac | Fond Du Lac | Landline | United States Cellular Corp... |
| 920-952 | Green Bay | Brown | Landline | Teleport Communications Gro... |
| 920-953 | Valders | Manitowoc | Landline | Sprint Communications Compa... |
| 920-954 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-955 | Appleton | Outagamie | Landline | Northern Telephone And Data... |
| 920-960 | Fond Du Lac | Fond Du Lac | Landline | United States Cellular Corp... |
| 920-964 | De Pere | Brown | Landline | Us Xchange Of Wisconsin Llc... |
| 920-965 | Green Bay | Brown | Landline | Us Xchange Of Wisconsin Llc... |
| 920-966 | Oshkosh | Winnebago | Landline | Us Xchange Of Wisconsin Llc... |
| 920-967 | Menasha | Winnebago | Landline | Us Xchange Of Wisconsin Llc... |
| 920-968 | Appleton | Outagamie | Landline | Us Xchange Of Wisconsin Llc... |
| 920-969 | Neenah | Winnebago | Landline | Ameritech Wisconsin |
| 920-973 | Manitowoc | Manitowoc | Landline | New Cell, Inc. Dba Cellcom |
| 920-979 | Fond Du Lac | Fond Du Lac | Landline | United States Cellular Corp... |
| 920-980 | Sheboygan | Sheboygan | Landline | United States Cellular Corp... |
| 920-981 | Hilbert | Calumet | Landline | Sprint Communications Compa... |
| 920-982 | New London | Waupaca | Landline | Ameritech Wisconsin |
| 920-983 | De Pere | Brown | Landline | Ameritech Wisconsin |
| 920-984 | Black Creek | Outagamie | Landline | Centurytel Central Wisconsi... |
| 920-986 | Shiocton | Outagamie | Landline | Centurytel Central Wisconsi... |
| 920-987 | Pine River | Waushara | Landline | Centurytel Mwwicencom Dba... |
| 920-988 | Watertown | Jefferson | Landline | United States Cellular Corp... |
| 920-989 | Sherwood | Calumet | Landline | Stockbridge & Sherwood Tele... |
| 920-991 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-992 | Rio | Columbia | Landline | Centurytel Southern Wiscons... |
| 920-993 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-994 | Random Lake | Sheboygan | Landline | Frontier North Inc. Wi |
| 920-995 | Green Bay | Brown | Landline | Fromm Services, Inc |
| 920-996 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-997 | Appleton | Outagamie | Landline | Ameritech Wisconsin |
| 920-999 | Saint Cloud | Fond Du Lac | Landline | Frontier North Inc. Wi |