620-901 phone numbers

Numbers 620-901-0000 to 620-901-9999 are assigned to Southwestern Bell in Iola, KS. 7 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 620-901-3xxx, 620-901-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 620-901