| District of Ohio area codes: 440 | |
|---|---|
| Country | United States |
| State/Province | Ohio |
| Major City | Cleveland |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 440-306 | Lake | Willoughby, OH | Xo Ohio |
| 440-307 | Lorain | Lagrange, OH | Windstream Western Reserve |
| 440-308 | Cuyahoga | Cleveland, OH | Cellco Partnership DBA Verizon Wireless |
| 440-309 | Lorain | Lagrange, OH | Windstream Ohio |
| 440-310 | Lorain | Elyria, OH | Mci Worldcom Communications |
| 440-312 | Cuyahoga | Cleveland, OH | Ameritech Ohio |
| 440-313 | Geauga | Huntsburg, OH | T-mobile Usa |
| 440-314 | Cuyahoga | Berea, OH | Cellco Partnership DBA Verizon Wireless |
| 440-315 | Lorain | Elyria, OH | Cellco Partnership DBA Verizon Wireless |
| 440-316 | Lorain | North Eaton, OH | Level 3 Communications |
| 440-317 | Cuyahoga | Bedford, OH | T-mobile Usa |
| 440-318 | Cuyahoga | Chagrin Falls, OH | T-mobile Usa |
| 440-319 | Ashtabula | Ashtabula, OH | T-mobile Usa |
| 440-320 | Erie | Vermilion, OH | T-mobile Usa |
| 440-321 | Geauga | Huntsburg, OH | New Cingular Wireless PCS - IL |
| 440-322 | Lorain | Elyria, OH | Windstream Ohio |
| 440-323 | Lorain | Elyria, OH | Windstream Ohio |
| 440-324 | Lorain | Elyria, OH | Windstream Ohio |
| 440-325 | Cuyahoga | Berea, OH | Level 3 Communications LLC |
| 440-326 | Lorain | Elyria, OH | Windstream Ohio |
There are 625 prefixes, In the code area, the major cities are Ashtabula, OH;Eastlake, OH;Elyria, OH;Lorain, OH;M. The major city is Cleveland.