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  2. Area codes 573 and 235 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_573_and_235

    They also serves all of southeastern Missouri (including the Missouri Bootheel area) and areas adjacent to the Mississippi River. 573 was created on January 7, 1996, in a split of area code 314, which was limited to the St. Louis metropolitan area in Missouri, and 235 was added on March 24, 2024 as part of an overlay complex.

  3. List of Missouri area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Missouri_area_codes

    This is a list of telephone area codes in the state of Missouri. The area codes are allocated within the North American Numbering Plan (NANP). The two original area codes for Missouri in 1947 were 314 and 816. Area code 417 was split off from 816 in 1950, and the other area codes followed more than 40 years later, due to the proliferation of ...

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

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

    Search. Search. Appearance. Donate; ... 573: Missouri (Columbia, Jefferson City, ... but it was replaced by a 304-932 exchange area code + exchange number in ...

  5. Area codes 314 and 557 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_314_and_557

    Relief planning entailed the division of the numbering plan area to create a new area code, 573, for most areas outside of the St. Louis metropolitan area, which would retain area code 314. The area code split became effective at day end of January 7, 1996, with a permissive dialing period commencing until July 7, 1996, during which the new ...

  6. Original North American area codes - Wikipedia

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

    Each NPA was identified by a three-digit area code used as a prefix to each local telephone number. The United States received seventy-seven area codes, and Canada nine. The initial system of numbering plan areas and area codes was expanded rapidly during the ensuing decades, and established the North American Numbering Plan (NANP).

  7. Rolla, Missouri - Wikipedia

    en.wikipedia.org/wiki/Rolla,_Missouri

    Search. Search. Appearance. Donate; ... Area code: 573: FIPS code: 29-62912 [3] GNIS ... Historic maps of Rolla in the Sanborn Maps of Missouri Collection at the ...