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← Area code 626

626-231 phone numbers

Numbers 626-231-0000 to 626-231-9999 are assigned to T-Mobile USA, Inc. in Arcadia, CA. 7 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 626-231