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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.
Missouri (Columbia, Jefferson City, Hannibal, Cape Girardeau, Farmington, Lake of the Ozarks, Poplar Bluff, and most of eastern Missouri excluding the St. Louis metropolitan area) March 24, 2024: overlaid on 573; 236: British Columbia (all, and the isolated border town of Hyder, Alaska, US) June 1, 2013: overlaid on 604, 250, and 778 [2] 2019 ...
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
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.
Area codes of Missouri. Area code 636 is a telephone area code in North American Numbering Plan (NANP) for the east-central part of the U.S. state of Missouri, comprising mainly the western suburbs of St. Louis.
In 2000, the Missouri PSC announced plans to create an overlay plan for the numbering plan area. On February 20, 2001, the overlay was approved by the North American Numbering Plan Administration (NANPA), [ 4 ] by assigning area code 975 for service starting October 20, 2001, which was later postponed to May 5, 2002. [ 5 ]
When the American Telephone and Telegraph Company (AT&T) created a universal North American telephone numbering plan for Operator Toll Dialing in 1947, and assigned the original North American area codes to numbering plan areas (NPAs), Missouri was divided into two NPAs, which received the area codes 314 and 816.
Area codes of Missouri. Area code 660 is the telephone area code in the North American Numbering Plan (NANP) for the northern and western part of the U.S. state of Missouri.It surrounds the numbering plan area 816, from which it was split on October 12, 1997.