← Area code 920
920-549 phone numbers
Numbers 920-549-0000 to 920-549-9999 are assigned to United States Cellular in Randolph, WI. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 920-549-1xxx, 920-549-2xxx, 920-549-3xxx, 920-549-5xxx, 920-549-6xxx, 920-549-7xxx, 920-549-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.