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  2. Area code 406 - Wikipedia

    en.wikipedia.org/wiki/Area_code_406

    Area code 406 is the telephone area code in the North American Numbering Plan for the entire U.S. state of Montana. It has been Montana's only area code since the American Telephone and Telegraph Company created a nationwide telephone numbering plan in 1947.

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

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

    537 reserved as a fifth area code for the region. 743: North Carolina (the Piedmont Triad, Wilkesboro, Roxboro, and most of northwestern North Carolina) May 23, 2016: overlaid on 336; 744: not in use; available for non-geographic assignment easily recognizable code (ERC) 745–746: not in use; available for geographic assignment 747

  4. List of time offsets by U.S. state and territory - Wikipedia

    en.wikipedia.org/wiki/List_of_time_offsets_by_U...

    Map of U.S. time zones with new CST and EST areas displayed. Some U.S. time zones, such as the Samoa Time Zone, are not on this map. This is a list of the time offsets by U.S. states, federal district, and territories. For more about the time zones of the U.S. see time in the United States. Most states are entirely contained within one time zone.

  5. List of North Carolina area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_Carolina...

    The area codes in the state of North Carolina are as follows: 252 - North Coastal Plain region in the northeast corner of the state, containing the Outer Banks (split of 919 in 1998) 910 / 472 - South Coastal Plain region in the southeast corner of the state, including Wilmington (split of 919 in 1993; 472 created as an overlay beginning on ...

  6. Original North American area codes - Wikipedia

    en.wikipedia.org/wiki/Original_North_American...

    In 1951, the number of area codes grew to ninety: the State of New York gained area code 516 on Long Island, and Southern California received area code 714, to reduce the numbering plan area of Los Angeles. [23] Area code handbook issued by many telephone companies in 1962 to promote the newly introduced direct distance dialing.

  7. Grover, North Carolina - Wikipedia

    en.wikipedia.org/wiki/Grover,_North_Carolina

    Time zone: UTC-5 (Eastern (EST)) ... ZIP code: 28073. Area code: 704: FIPS code: 37-28400 [3 ... Map of Cleveland County, North Carolina With Municipal and Township ...

  8. Area codes 336 and 743 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_336_and_743

    Area codes 336 and 743 are NANPA area codes that cover most of north-central and northwestern North Carolina, including the Piedmont Triad region and portions of the northern Foothills and northern Mountains. Area code 336 was split off from area code 910 on December 15, 1997. The 743 overlay area code officially entered service on October 24 ...

  9. Area codes 919 and 984 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_919_and_984

    When area codes were first assigned in 1947, all of North Carolina was assigned area code 704.In 1954, the eastern and central portions of the state—everything from Winston-Salem eastward—split off as area code 919. 704 was reduced to Charlotte and all points west.