Area code 304
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The map to the right is clickable; click on an area code to go to the page for that code.
North American telephone area code 304 was established October, 1947 as one of the original area codes, and serves all of West Virginia.
| State of West Virginia Area Code: 304 | ||
|---|---|---|
| North: 234/330, 724/878 | ||
| West: 606, 740 | area code 304 | East: 240/301 |
| South: 276, 540 | ||
| Commonwealth of Kentucky Area Codes: 270, 502, 606, 859 | ||
| State of Maryland Area Codes: 240, 301, 410, 443 | ||
| State of Ohio area codes: 216, 234, 419, 440, 567, 330, 513, 614, 740, 937 | ||
| Commonwealth of Pennsylvania Area Codes: 215, 267, 412, 484, 570, 610, 717, 724, 814, 835, 878 | ||
| Commonwealth of Virginia Area Codes: 276, 434, 540, 571/703, 757, 804 | ||
