580-644 phone numbers

Numbers 580-644-0000 to 580-644-9999 are assigned to T-Mobile USA, Inc. in Elk City, OK. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 580-644-0xxx, 580-644-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 580-644