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← Area code 608

608-588 phone numbers

Numbers 608-588-0000 to 608-588-9999 are assigned to Frontier North Inc. (rate centre SPG GREEN, WI, NANPA abbreviation). 6 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 608-588