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← Area code 840

840-263 phone numbers

Numbers 840-263-0000 to 840-263-9999 are assigned to New Cingular Wireless PCS, LLC in Fontana, CA. 8 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 840-263