620-879 phone numbers

Numbers 620-879-0000 to 620-879-9999 are assigned to Southwestern Bell in Caney, KS. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 620-879-3xxx, 620-879-4xxx, 620-879-6xxx, 620-879-7xxx, 620-879-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 620-879