Canadial Know Who Called
← Area code 650

650-255 phone numbers

Numbers 650-255-0000 to 650-255-9999 are assigned to New Cingular Wireless PCS, LLC (rate centre SSNFRNCSCO, CA, NANPA abbreviation).

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

Reported numbers in 650-255