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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 ...
Location of Thayer, Missouri. ... Area code: 417: FIPS code: 29-72826 [3] GNIS feature ID: 2396046 [1] Thayer is a city in Oregon County, Missouri, United States.
Area codes in Washington (state) (7 P) Area codes in West Virginia (1 P) Area codes in Wisconsin (7 P) Area codes in Wyoming (1 P) This page was last edited on 24 ...
Area code 636; Area code 660; Area codes 816 and 975 This page was last edited on 24 December 2023, at 10:17 (UTC). Text is available under the Creative ...
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. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.
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 numbering plan area could be dialed with both area codes. Although area code splits were intended as long-term solutions, within only two years, 314 was close to exhaustion once again due to ...
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 retained 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 ...
Area code 816 served points generally north and west of Columbia and Jefferson City, while area code 314 served the eastern third of the state, including St. Louis. In 1951, a third NPA with area code 417 was created for southwestern Missouri, including the cities of Branson, Joplin, and Springfield.