| District of Ohio area codes: 740 | |
|---|---|
| Country | United States |
| State/Province | Ohio |
| Major City | Columbus |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 740-222 | Pike | Waverly, OH | Sprint Spectrum L.p. |
| 740-223 | Marion | Marion, OH | Frontier North |
| 740-224 | Monroe | Graysville, OH | First Communications LLC DBA Corecomm |
| 740-225 | Marion | Marion, OH | Sprint Spectrum L.p. |
| 740-226 | Pike | Beaver, OH | Frontier North |
| 740-227 | Tuscarawas | Newcomerstown, OH | New Cingular Wireless PCS - IL |
| 740-228 | Monroe | Woodsfield, OH | New Cingular Wireless PCS - IL |
| 740-229 | Tuscarawas | Uhrichsville, OH | New Cingular Wireless PCS - IL |
| 740-230 | Scioto | Portsmouth, OH | Ram Technologies - Ohio |
| 740-231 | Monroe | Sardis, OH | Level 3 Communications |
| 740-232 | Belmont | St Clairsville, OH | Ameritech Ohio |
| 740-233 | Knox | Gambier, OH | Level 3 Communications |
| 740-234 | Delaware | Delaware, OH | American Messaging (am) |
| 740-235 | Jefferson | Steubenville, OH | Level 3 Communications |
| 740-236 | Washington | Marietta, OH | Sprint Spectrum L.p. |
| 740-237 | Lawrence | Ironton, OH | Sprint Spectrum L.p.- Oh |
| 740-238 | Belmont | Bethesda, OH | Cellco Partnership DBA Verizon Wireless |
| 740-239 | Fayette | Washington Court House, OH | Bandwidth.com Clec |
| 740-240 | Fairfield | Rushville, OH | First Communications LLC DBA Corecomm |
| 740-241 | Guernsey | Byesville, OH | New Cingular Wireless PCS - IL |
There are 737 prefixes, In the code area, the major cities are Athens, OH;Chillicothe, OH;Delaware, OH;Lancaster,. The major city is Columbus.