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← Area code 304

304-658 phone numbers

Numbers 304-658-0000 to 304-658-9999 are assigned to Frontier West Virginia Inc. in Ansted, WV. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 304-658