| 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 |
|---|---|---|---|
| 304-955 | Huntington | Cabell | Landline |
| 304-628 | Cairo | Ritchie | Landline |
| 304-557 | Princeton | Mercer | Wireless |
| 304-838 | Clarksburg | Harrison | Wireless |
| 304-372 | Ripley | Jackson | Landline |
| 304-901 | Martinsburg | Berkeley | Landline |
| 304-878 | Buckhannon | Upshur | Landline |
| 304-386 | Reader | Wetzel | Landline |
| 304-810 | Glen Dale | Marshall | Landline |
| 304-596 | Martinsburg | Berkeley | Landline |
| 304-991 | Parkersburg | Wood | Wireless |
| 304-229 | Inwood | Berkeley | Landline |
| 304-940 | Elkins | Randolph | Wireless |
| 304-865 | Parkersburg | Wood | Landline |
| 304-776 | Poca | Putnam | Landline |
| 304-892 | Newburg | Preston | Landline |
| 304-981 | Montgomery | Fayette | Landline |
| 304-653 | Hillsboro | Pocahontas | Landline |
| 304-275 | Elizabeth | Wirt | Landline |
| 304-680 | Morgantown | Monongalia | Wireless |