323-703 phone numbers

Numbers 323-703-0000 to 323-703-9999 are assigned to T-Mobile USA, Inc. (rate centre LSAN DA 14, CA, NANPA abbreviation). 9 of its ten thousand-number blocks are assigned to other carriers (number pooling).

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

Reported numbers in 323-703