← Area code 253
253-297 phone numbers
Numbers 253-297-0000 to 253-297-9999 are assigned to T-Mobile USA, Inc. (rate centre TACOMAWVLY, WA, NANPA abbreviation). 1 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.