| Prefixes | City | County | Line Type | Company |
|---|---|---|---|---|
| 567-137 | Boca Raton | Palm Beach | Unknown | |
| 567-201 | Fremont | Sandusky | Landline | Level 3 Communications, Llc... |
| 567-202 | Toledo | Lucas | Landline | Level 3 Communications, Llc... |
| 567-203 | Ashland | Ashland | Landline | Level 3 Communications, Llc... |
| 567-204 | Lima | Allen | Cell Phone | Cellco Partnership Dba Veri... |
| 567-205 | Sandusky | Erie | Landline | Long Distance Of Michigan,... |
| 567-207 | Tiffin | Seneca | Landline | At&t Local |
| 567-208 | Findlay | Hancock | Landline | Level 3 Communications, Llc... |
| 567-212 | West Salem | Wayne | Landline | Level 3 Communications, Llc... |
| 567-214 | Bellevue | Sandusky | Landline | Brooks Fiber Communications... |
| 567-216 | Shelby | Richland | Landline | Intermedia Communications I... |
| 567-219 | Clyde | Sandusky | Cell Phone | Omnipoint Communications Mi... |
| 567-220 | Tiffin | Seneca | Landline | Level 3 Communications, Llc... |
| 567-223 | Loudonville | Ashland | Landline | Level 3 Communications, Llc... |
| 567-224 | Willard | Huron | Cell Phone | Cellco Partnership Dba Veri... |
| 567-226 | Bluffton | Allen | Landline | Level 3 Communications, Llc... |
| 567-228 | Bellevue | Sandusky | Landline | Level 3 Communications, Llc... |
| 567-229 | Dunkirk | Hardin | Landline | Sprint Communications Compa... |
| 567-230 | Tiffin | Seneca | Cell Phone | Allied Wireless Communicati... |
| 567-231 | Milan | Erie | Landline | Level 3 Communications, Llc... |
| 567-232 | Upper Sandusky | Wyandot | Cell Phone | Allied Wireless Communicati... |
| 567-233 | Marengo | Morrow | Landline | Level 3 Communications, Llc... |
| 567-234 | Berlin Heights | Erie | Landline | Level 3 Communications, Llc... |
| 567-235 | Defiance | Defiance | Landline | Level 3 Communications, Llc... |
| 567-238 | Loudonville | Ashland | Landline | Level 3 Communications, Llc... |
| 567-242 | Columbus Grove | Putnam | Landline | Level 3 Communications, Llc... |
| 567-244 | Norwalk | Huron | Landline | Ohio Telecom, Inc. Oh |
| 567-245 | Fostoria | Seneca | Landline | Level 3 Communications, Llc... |
| 567-246 | Whitehouse | Lucas | Landline | Long Distance Of Michigan,... |
| 567-247 | Mansfield | Richland | Landline | Communication Options, Inc.oh |
| 567-249 | Northwood | Wood | Cell Phone | Cellco Partnership Dba Veri... |
| 567-259 | Van Wert | Van Wert | Landline | Bright Clec, Llc Oh |
| 567-264 | Napoleon | Henry | Landline | Bright Clec, Llc Oh |
| 567-274 | Ashland | Ashland | Cell Phone | New Cingular Wireless Pcs,... |
| 567-275 | Shelby | Richland | Landline | Level 3 Communications, Llc... |
| 567-277 | Toledo | Lucas | Cell Phone | Cellco Partnership Dba Veri... |
| 567-336 | Perrysburg | Wood | Landline | Ameritech Ohio |
| 567-337 | Bryan | Williams | Landline | At&t Local |
| 567-345 | Atwood | Kosciusko | Landline | Unknown |
| 567-351 | New London | Huron | Landline | Level 3 Communications, Llc... |
| 567-364 | Harrod | Allen | Landline | Sprint Communications Compa... |
| 567-369 | Ashland | Ashland | Landline | Level 3 Communications, Llc... |
| 567-393 | Galion | Crawford | Landline | Level 3 Communications, Llc... |
| 567-401 | Milan | Erie | Landline | Level 3 Communications, Llc... |
| 567-404 | Fayette | Fulton | Landline | Level 3 Communications, Llc... |
| 567-424 | Norwalk | Huron | Landline | Level 3 Communications, Llc... |
| 567-429 | Findlay | Hancock | Landline | Buckeye Telesystem, Inc. Oh |
| 567-432 | Toledo | Lucas | Landline | Level 3 Communications, Llc... |
| 567-443 | Mansfield | Richland | Landline | Level 3 Communications, Llc... |
| 567-444 | Archbold | Fulton | Landline | Ridgeville Telephone Compan... |
| 567-454 | Delta | Fulton | Cell Phone | Cellco Partnership Dba Veri... |
| 567-455 | Sylvania | Lucas | Landline | American Broadband And Tele... |
| 567-459 | Greenwich | Huron | Landline | Sprint Communications Compa... |
| 567-482 | Woodville | Sandusky | Landline | Sprint Communications Compa... |
| 567-483 | Lucas | Richland | Landline | Sprint Communications Compa... |
| 567-485 | Bloomville | Seneca | Landline | Sprint Communications Compa... |
| 567-510 | Celina | Mercer | Landline | Level 3 Communications, Llc... |
| 567-525 | Findlay | Hancock | Landline | Sprint Communications Compa... |
| 567-623 | Huron | Erie | Landline | Buckeye Telesystem, Inc. Oh |
| 567-644 | Celina | Mercer | Cell Phone | Nextel Communications, Inc. |
| 567-661 | Perrysburg | Wood | Landline | Buckeye Telesystem, Inc. Oh |
| 567-674 | Kenton | Hardin | Cell Phone | Cellco Partnership Dba Veri... |
| 567-703 | Maumee | Lucas | Landline | Level 3 Communications, Llc... |
| 567-712 | Lima | Allen | Cell Phone | Cellco Partnership Dba Veri... |
| 567-744 | Jupiter | Palm Beach | Landline | Unknown |
| 567-749 | Lima | Allen | Landline | Sprint Communications Compa... |
| 567-763 | Shiloh | Richland | Landline | Sprint Communications Compa... |
| 567-765 | Delphos | Allen | Landline | Fort Jennings Telephone Com... |
| 567-772 | Bellville | Richland | Landline | Sprint Communications Compa... |
| 567-843 | Stryker | Williams | Landline | Sprint Communications Compa... |
| 567-844 | Shelby | Richland | Landline | Sprint Communications Compa... |
| 567-855 | Clyde | Sandusky | Landline | Brooks Fiber Communications... |
| 567-868 | Toledo | Lucas | Landline | Bright Clec, Llc Oh |
| 567-881 | Hicksville | Defiance | Landline | Sprint Communications Compa... |
| 567-890 | Celina | Mercer | Landline | Wabash Mutual Telephone Com... |
| 567-940 | Lima | Allen | Landline | Tsc Communications, Inc. Oh |
| 567-952 | Waterville | Lucas | Landline | Buckeye Telesystem, Inc. Oh |
| 567-998 | Toledo | Lucas | Landline | Level 3 Communications, Llc... |