| 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 |
|---|---|---|---|
| 304-858 | Peterstown | Monroe | Landline |
| 304-363 | Fairmont | Marion | Landline |
| 304-584 | Lumberport | Harrison | Landline |
| 304-535 | Harpers Ferry | Jefferson | Landline |
| 304-657 | Fairmont | Marion | Wireless |
| 304-520 | Lewisburg | Greenbrier | Landline |
| 304-245 | Madison | Boone | Landline |
| 304-914 | Weirton | Hancock | Wireless |
| 304-418 | Morgantown | Monongalia | Landline |
| 304-387 | Chester | Hancock | Landline |
| 304-522 | Huntington | Cabell | Landline |
| 304-774 | Mullens | Wyoming | Landline |
| 304-600 | Letart | Mason | Landline |
| 304-945 | Nitro | Kanawha | Landline |
| 304-300 | Clarksburg | Harrison | Landline |
| 304-803 | Gassaway | Braxton | Landline |
| 304-985 | Morgantown | Monongalia | Landline |
| 304-260 | Martinsburg | Berkeley | Landline |
| 304-897 | Lost City | Hardy | Landline |
| 304-544 | Huntington | Cabell | Wireless |