501-779 phone numbers

Numbers 501-779-0000 to 501-779-9999 are assigned to T-Mobile USA, Inc. in Little Rock, AR. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 501-779-6xxx, 501-779-7xxx, 501-779-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 501-779