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← Area code 608

608-594 phone numbers

Numbers 608-594-0000 to 608-594-9999 are assigned to Onvoy, LLC in Plain, WI. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 608-594-0xxx, 608-594-1xxx, 608-594-2xxx, 608-594-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 608-594