← Area code 605
605-208 phone numbers
Numbers 605-208-0000 to 605-208-9999 are assigned to New Cingular Wireless PCS, LLC in Winner, SD. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 605-208-8xxx, 605-208-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.