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  2. List of Texas area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Texas_area_codes

    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) 254: Waco, Killeen, Temple, Belton, Stephenville and North Texas (May 25, 1997)

  3. Interchangeable NPA and central office codes - Wikipedia

    en.wikipedia.org/wiki/Interchangeable_NPA_and...

    The solution for expanding the numbering pool within an NPA was to remove the restriction posed by not using 0 and 1 in the middle position of central office codes. This made central office codes interchangeable. An interchangeable NPA code and an interchangeable central office code is a code that permits any of the ten numerals in the middle ...

  4. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    area code 387 is reserved as a fifth code for the region; 648: not in use; available for geographic assignment 649: The Turks and Caicos Islands (all) June 1, 1997: split of 809; 650: California (Daly City, South San Francisco, Palo Alto, Redwood City, Menlo Park, Mountain View, San Mateo, Santa Clara) August 2, 1997: split of 415; 651

  5. Area codes 214, 469, 972, and 945 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_214,_469,_972...

    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.

  6. Natural Resources Conservation Service - Wikipedia

    en.wikipedia.org/wiki/Natural_Resources...

    NRCS offers technical and financial assistance to farmers and ranchers. The financial assistance is authorized by the "Farm Bill", a law that is renewed every five years. The 2014 Farm Bill consolidated 23 programs into 15. [11] NRCS offers these services to private land owners, conservation districts, tribes, and other types of organizations.

  7. Central office code protection - Wikipedia

    en.wikipedia.org/wiki/Central_office_code_protection

    The 506-733 prefix could be dumped as far out-of-region as possible within the 506 area code boundary, if calls to the other side of the same code are long-distance and a trunk call within the area code requires the entire number (including the leading 1-506) be dialled.

  8. Category:Area codes in Texas - Wikipedia

    en.wikipedia.org/wiki/Category:Area_codes_in_Texas

    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

  9. Area code 806 - Wikipedia

    en.wikipedia.org/wiki/Area_code_806

    Area code 806 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Texas in the Panhandle and South Plains, including the cities of Amarillo and Lubbock. It was created in 1957 in a flash-cut from numbering plan area (NPA) 915 , the north-western corner of the state, but also incorporated a small portion of ...