Canadial Know Who Called
← Area code 209

209-540 phone numbers

Numbers 209-540-0000 to 209-540-9999 are assigned to T-Mobile USA, Inc. (rate centre SNRA MAIN, CA, NANPA abbreviation). 8 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 209-540