| General Information about Area Code 304 | |
|---|---|
| Country | United States |
| State / Province / Territory | West Virginia |
| Major City | Charleston |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 304-217 | Triadelphia | Ohio | Landline |
| 304-270 | Martinsburg | Berkeley | Landline |
| 304-392 | Rupert | Greenbrier | Landline |
| 304-614 | Elkins | Randolph | Wireless |
| 304-903 | Grafton | Taylor | Landline |
| 304-247 | Madison | Boone | Landline |
| 304-701 | Sutton | Braxton | Wireless |
| 304-335 | Beverly | Randolph | Landline |
| 304-308 | Bluefield | Mercer | Wireless |
| 304-637 | Elkins | Randolph | Landline |
| 304-369 | Madison | Boone | Landline |
| 304-433 | Martinsburg | Berkeley | Landline |
| 304-977 | Bluefield | Mercer | Landline |
| 304-471 | Buckhannon | Upshur | Landline |
| 304-891 | Walton | Roane | Landline |
| 304-642 | Elkins | Randolph | Wireless |
| 304-908 | Huntington | Wayne | Landline |
| 304-541 | Charleston | Kanawha | Wireless |
| 304-292 | Morgantown | Monongalia | Landline |
| 304-909 | Wheeling | Ohio | Landline |