← Area code 608
608-545 phone numbers
Numbers 608-545-0000 to 608-545-9999 are assigned to United States Cellular in Yuba, WI. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 608-545-1xxx, 608-545-2xxx, 608-545-3xxx, 608-545-4xxx, 608-545-6xxx, 608-545-7xxx, 608-545-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.