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- Area code 636
- Area codes 314 and 557
- List of North American Numbering Plan area codes
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- Area code 636 - Wikipedia
- 636 Area Code - National Phone Number Registry
- 636 Area Code Phone Numbers - Whitepages
- 636 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com
- 636 area code — information, time zone, map - World Time Clock …
- 636 Area Code - Map, Phone Lookup, Time Zone - Wirefly
- 636 Area Code - Missouri - Area Phone Codes
- Area code 636 - Simple English Wikipedia, the free encyclopedia
- Area Code 636 - Map, time zone, and phone lookup - CallerCenter
- Area Code 636
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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. It includes parts of Chesterfield and Fenton in St. Louis County, and all of St. Charles, Jefferson, and Warren counties, all of Franklin County with the exception of Sullivan, as well as the towns of High Hill and Jonesburg in Montgomery County and the southern portion of Lincoln County. It was created in 1999 in an area code split from area code 314, which was one of the original North American area codes of 1947.
History
When the American Telephone and Telegraph Company (AT&T) created a universal North American telephone numbering plan for Operator Toll Dialing in 1947, Missouri was divided into two numbering plan areas (NPAs), which received the area codes 314 and 816. Area code 314 identified the eastern part of the state, from the northeast corner of the state at the Illinois border along a southwestern line near Columbia and Jefferson City to the center of the state, and continuing southeast into the east side of the West Plains area to the Arkansas state line. The largest city of the area code was St. Louis on the Mississippi river in the east.
By 1995, the telephone subscriber base experience substantial growth, threatening the exhaustion of the numbering pool. 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 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 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 the proliferation of cell phones, fax machines and pagers in St. Louis. As a result, 314 was reduced to include only the exchanges of Chestnut, Jefferson, Prospect, Flanders, Forest, Mission, Melrose, Webster Groves,
Parkview, Evergreen, Riverview, Ferguson, Overland, Ladue, Kirkwood, Sappington, Mehlville,
Oakville, Creve Coeur, Bridgeton, Hazelwood, Florissant, and Spanish Lake in the core of the St. Louis area. All other exchanges were reassigned to the new area code 636, effective May 22, 1999, with the permissive dialing period ending on February 26, 2000.
Service area
Major cities:
Chesterfield
Lake St. Louis
O'Fallon
St. Charles
St. Peters
Wentzville
See also
"Area Code Maps". NANPA.
List of exchanges from AreaCodeDownload.com, 636 Area Code
References
Kata Kunci Pencarian:
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Area code 636 - Wikipedia
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636 Area Code Location, Time Zone, Cities: 636 Phone Number
area code 636
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Area code 636 - Wikipedia
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.
636 Area Code - National Phone Number Registry
May 22, 1999 · Area code 636 is located in Missouri. Get area code location and dialing plans for all phone prefixes in area code 636.
636 Area Code Phone Numbers - Whitepages
Browse area code 636 phone numbers, prefixes and exchanges. The 636 area code serves Saint Louis, Maryland Heights, Hazelwood, Saint Charles, O Fallon, covering 51 ZIP codes in 8 counties.
636 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com
Feb 1, 2025 · Area Code 636 is located in Missouri. It covers 62 cities, including Saint Louis, Saint Charles, Saint Peters, Florissant, and Chesterfield. It also covers 8 counties, including Saint Charles County, Saint Louis County, Jefferson County, Franklin County, and Lincoln County.
636 area code — information, time zone, map - World Time Clock …
3 days ago · 636 is an area code located in the state of Missouri, US. The largest city it serves is O'Fallon. Find out where 636 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here.
636 Area Code - Map, Phone Lookup, Time Zone - Wirefly
Find 636 area code details including city, time zone, and map. Lookup area code 636 phone number, name, and location.
636 Area Code - Missouri - Area Phone Codes
Area code 636 - Missouri. Reverse phone lookup, search by area code or region. Local time and map of Missouri.
Area code 636 - Simple English Wikipedia, the free encyclopedia
Area code 636 is a telephone area code in the state of Missouri in the United States. It primarily serves the suburbs and exurbs of St. Louis, covering the eastern part of the state. It was created on May 22, 1999, as a split from area code 314, which originally covered the entire eastern part of Missouri, including St. Louis.
Area Code 636 - Map, time zone, and phone lookup - CallerCenter
About area code 636: location, common spam callers, related area codes, and more. Includes 636 reverse phone lookup to identify spam callers.
Area Code 636
Lookup information on Area Code 636 - get demographic, NPA NXX, and other data by area code