Area codes 713, 281, 832, 346, and 621
Area codes in Houston, Texas
Area codes 713, 281, 832, 346, and 621
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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