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← Area code 209

209-427 phone numbers

Numbers 209-427-0000 to 209-427-9999 are assigned to T-Mobile USA, Inc. in Turlock, CA. 6 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 209-427