540-704 phone numbers

Numbers 540-704-0000 to 540-704-9999 are assigned to Onvoy Spectrum, LLC (rate centre HARRISONBG, VA, NANPA abbreviation). 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 540-704-4xxx, 540-704-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 540-704