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← Area code 740

740-577 phone numbers

Numbers 740-577-0000 to 740-577-9999 are assigned to Frontier North, Inc. in Jackson, OH. 10 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 740-577