605-997 phone numbers

Numbers 605-997-0000 to 605-997-9999 are assigned to Qwest Corporation in Flandreau, SD. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 605-997-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 605-997