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← Area code 313

313-432 phone numbers

Numbers 313-432-0000 to 313-432-9999 are assigned to Level 3 Communications, LLC (rate centre DETROITZN2, MI, NANPA abbreviation). 3 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 313-432