608-435 phone numbers

Numbers 608-435-0000 to 608-435-9999 are assigned to Brightspeed of Midwest Wisconsin, LLC in Wilton, WI. 1 of its ten thousand-number blocks are assigned to other carriers (number pooling).

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

Reported numbers in 608-435