Canadial Know Who Called
← Area code 608

608-390 phone numbers

Numbers 608-390-0000 to 608-390-9999 are assigned to Brightspeed of Central Wisconsin, LLC (rate centre CENTERVL, WI, NANPA abbreviation). 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 608-390-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 608-390