814-488 phone numbers

Numbers 814-488-0000 to 814-488-9999 are assigned to T-Mobile USA, Inc. in Franklin, PA. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 814-488-1xxx, 814-488-2xxx, 814-488-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 814-488