← Area code 501
501-348 phone numbers
Numbers 501-348-0000 to 501-348-9999 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: 501-348-2xxx, 501-348-3xxx, 501-348-4xxx, 501-348-5xxx, 501-348-6xxx, 501-348-7xxx, 501-348-8xxx, 501-348-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.