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← Area code 248

248-504 phone numbers

Numbers 248-504-0000 to 248-504-9999 are assigned to Level 3 Communications, LLC in Northville, MI. 7 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 248-504