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← Area code 330

330-391 phone numbers

Numbers 330-391-0000 to 330-391-9999 are assigned to T-Mobile USA, Inc. in Medina, OH. 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 330-391