Canadial Know Who Called
← Area code 620

620-679 phone numbers

Numbers 620-679-0000 to 620-679-9999 are assigned to Southwestern Bell (rate centre TREECE, KS, NANPA abbreviation). 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 620-679-5xxx, 620-679-6xxx, 620-679-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 620-679