← Area code 970
970-990 phone numbers
Numbers 970-990-0000 to 970-990-9999 are assigned to Skyetel (rate centre SO BIG SPG, CO, NANPA abbreviation).
Not assigned to any carrier: 970-990-1xxx, 970-990-2xxx, 970-990-3xxx, 970-990-4xxx, 970-990-5xxx, 970-990-6xxx, 970-990-7xxx, 970-990-8xxx, 970-990-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.