276-256 phone numbers

Numbers 276-256-0000 to 276-256-9999 are assigned to Twilio International, Inc. in Fieldale, VA. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 276-256-0xxx, 276-256-3xxx, 276-256-8xxx, 276-256-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 276-256