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

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

    The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.

  3. Area code 605 - Wikipedia

    en.wikipedia.org/wiki/Area_code_605

    Area code 605 is the telephone area code in the North American Numbering Plan for the entire U.S. state of South Dakota. The numbering plan area was designated in 1947, when the American Telephone and Telegraph Company (AT&T) devised a comprehensive telephone numbering plan for the United States and Canada.

  4. Category:Area codes in South Dakota - Wikipedia

    en.wikipedia.org/wiki/Category:Area_codes_in...

    Pages in category "Area codes in South Dakota" This category contains only the following page. This list may not reflect recent changes. 0–9. Area code 605

  5. List of AM Expanded Band station assignments issued by the ...

    en.wikipedia.org/wiki/List_of_AM_Expanded_Band...

    Review of the 88 Expanded Band authorizations made by the Federal Communications Commission on March 17, 1997. [5] In the table below: For the "Original Standard Band Assignment" entries, the FCC's March 17, 1997 notification listed station's call signs and frequencies as of June 30, 1993, dating to when the stations initially notified the commission that they were interested in participating.

  6. Federal Information Processing Standard state code - Wikipedia

    en.wikipedia.org/wiki/Federal_Information...

    The following table enumerates the FIPS state alpha and numeric codes for the states, the District of Columbia, the outlying areas of the United States, the freely associated states, and trust territory, and FIPS state numeric codes for the individual minor outlying island territories.

  7. Sectional center facility - Wikipedia

    en.wikipedia.org/wiki/Sectional_center_facility

    Note: South Carolina 297 is served by Charlotte, North Carolina; South Carolina 298 is served by Augusta, Georgia. Columbia (290-292, 295) 2001 Dixiana Rd., West Columbia, SC 29172; Charleston (294, 299) Greenville (293, 296, North Carolina 287-289) 204 Fairforest Way, Greenville, SC 29607

  8. Area codes 208 and 986 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_208_and_986

    Area codes in Idaho. Area codes 208 and 986 are telephone area codes in the North American Numbering Plan for all of Idaho.Area code 208 is one of the 86 original area codes created by the American Telephone and Telegraph Company (AT&T) in 1947, and was Idaho's sole area code for seventy years.

  9. Mobile network codes in ITU region 3xx (North America)

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    North Dakota Network Co. Not operational: CDMA: North Dakota; [129] shut down in 2017; [188] MNC withdrawn [87] 311: 620: TerreStar Networks, Inc. Not operational: Satellite [128] 311: 630: C Spire: Cellular South Inc. Unknown: Unknown: Former Corr Wireless Communications [128] [14] 311: 640: Rock Wireless: Standing Rock Telecommunications ...