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Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)
2023: returned to the pool of area codes available for future area code relief; 457: Louisiana (Shreveport–Bossier City, Monroe, Alexandria, Fisher, Tallulah, and most of northern Louisiana) September 25, 2025 [3] to be overlaid on 318; previously a fictitious area code assigned to identify Naked DSL/Dry Loop and dedicated data lines in ...
Area codes 214, 469, 972, and 945 are telephone area codes in the North American Numbering Plan (NANP) for Dallas, Texas and most of the eastern portion of the Dallas–Fort Worth metroplex The area codes are assigned in an overlay complex to a single numbering plan area that was the core of one of the original area codes of 1947, area code 214.
Area codes 210 and 726; Area codes 214, 469, 972, and 945; Area code 254; Area codes 713, 281, 832, and 346; Area code 325; Area code 361; Area code 409; Area code 432; Area codes 512 and 737; Area code 806; Area codes 817 and 682; Area code 830; Area codes 903 and 430; Area code 915; Area code 936; Area code 940; Area code 956; Area code 979
Area code 603 in a 1956 map, covering the whole state.. Area code 603 is the sole area code for the U.S. state of New Hampshire in the North American Numbering Plan (NANP). It was created as one of the original 86 numbering plan areas in October 1947.
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On January 16, 1999, the 713/281 boundary was removed, creating an overlay for the combined area, while simultaneously adding a third area code to the entire region, 832. As a result, ten-digit dialing became required for all calls in the Houston area. On May 9, 2013, the Public Utility Commission of Texas (PUC) announced the addition of yet ...
The numbering plan area begins just north and east of the Dallas–Fort Worth metroplex, and extends to the Oklahoma, Arkansas, and Louisiana state borders. Area code 903 was created November 4, 1990 in a split of area code 214. Area code 430 was assigned to the same service area on February 15, 2003 in creation of an overlay. Before October 18 ...