← Area code 940
940-335 phone numbers
Numbers 940-335-0000 to 940-335-9999 are assigned to Callworks Corporation (rate centre WICHITAFLS, TX, NANPA abbreviation).
Not assigned to any carrier: 940-335-0xxx, 940-335-2xxx, 940-335-3xxx, 940-335-4xxx, 940-335-5xxx, 940-335-6xxx, 940-335-7xxx, 940-335-8xxx, 940-335-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.