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← Area code 414

414-370 phone numbers

Numbers 414-370-0000 to 414-370-9999 are assigned to Commio, LLC (rate centre MILWAUKZN1, WI, NANPA abbreviation). 2 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 414-370