304-778 phone numbers

Numbers 304-778-0000 to 304-778-9999 are assigned to Frontier of Wv (rate centre BRANCHLAND, WV, NANPA abbreviation). 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 304-778-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 304-778