Area codes 713, 281, 832, 346, and 621

Numbering plan areas and area codes of Texas with numbering plan area 281/346/713/832 highlighted.

Area codes 713, 281, 832, 346, and 621 are telephone area code in the North American Numbering Plan (NANP) forming an overlay complex for Houston, Texas, and its environs. Area code 713 is one of the original four area codes established for Texas in 1947.

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