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← Area code 864

864-784 phone numbers

Numbers 864-784-0000 to 864-784-9999 are assigned to T-Mobile USA in Seneca, SC. 6 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 864-784