← Area code 308
308-491 phone numbers
Numbers 308-491-0000 to 308-491-9999 are assigned to New Cingular Wireless PCS, LLC in Grant, NE. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 308-491-2xxx, 308-491-3xxx, 308-491-5xxx, 308-491-6xxx, 308-491-7xxx, 308-491-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.