Canadial Know Who Called
← Area code 830

830-256 phone numbers

Numbers 830-256-0000 to 830-256-9999 are assigned to Southwestern Bell (rate centre CAMPBELLTN, TX, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 830-256-6xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 830-256