608-439 phone numbers

Numbers 608-439-0000 to 608-439-9999 are assigned to Utelco, Inc. in South Wayne, WI. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 608-439-9xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 608-439