Area codes 314 and 557 GudangMovies21 Rebahinxxi LK21

      Area codes 314 and 557 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. state of Missouri, serving the city of St. Louis and most of its inner-ring suburbs in neighboring St. Louis County. The numbering plan area is bordered to the west by area code 636, which serves St. Louis' outer suburbs to the west, south, and north. Across the Mississippi River to the east, 314 is adjacent to area code 618, which serves southern Illinois and most of Metro East. Area code 557 was added to the 314 numbering plan area on August 12, 2022, to form an overlay numbering plan.


      History


      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 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 had experienced 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 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 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.
      On October 24, 2000, the Missouri Public Service Commission announced plans to add a second area code for the 314 numbering plan area, creating an overlay, but postponed the implementation date (May 5, 2002) indefinitely on September 25, 2001, when the commission determined no immediate need for additional central office prefixes. Conservation measures, such as number pooling, mitigated the immediate need for relief. More than twenty years after that announcement, area code 557 was overlaid on August 12, 2022, as the available numbers in 314 neared exhaustion.
      Prior to October 2021, area code 314 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021.


      See also


      List of Missouri area codes
      List of North American Numbering Plan area codes


      References




      External links


      "Area Code Maps". NANPA.

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    Area codes 314 and 557 - Wikipedia

    Area codes 314 and 557 - Wikipedia

    314 Area Code - Get a Local Phone Number For St. Louis, MO

    314 Area Code - Get a Local Phone Number For St. Louis, MO

    314 getting 557 overlay Area Code - urbanSTL

    314 getting 557 overlay Area Code - urbanSTL

    Area Code 557 - Map, time zone, and phone lookup

    Area Code 557 - Map, time zone, and phone lookup

    The St. Louis 314 adds a new area code, 557 | ksdk.com

    The St. Louis 314 adds a new area code, 557 | ksdk.com

    The St. Louis 314 adds a new area code, 557 | ksdk.com

    The St. Louis 314 adds a new area code, 557 | ksdk.com

    557 area code — information, time zone, map

    557 area code — information, time zone, map

    314 Area Code - USA.com™

    314 Area Code - USA.com™

    Area Code 314 | Cityscape Tiles

    Area Code 314 | Cityscape Tiles

    314 Area Code Map, Where is 314 Area Code in Missouri

    314 Area Code Map, Where is 314 Area Code in Missouri

    New 557 area code coming to St. Louis area in 2022 | ksdk.com

    New 557 area code coming to St. Louis area in 2022 | ksdk.com

    New 557 area code coming to St. Louis area in 2022 | ksdk.com

    New 557 area code coming to St. Louis area in 2022 | ksdk.com

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    area codes 314 and 557

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    Area codes 314 and 557 - Wikipedia

    Area codes 314 and 557 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. state of Missouri, serving the city of St. Louis and most of its inner-ring suburbs in neighboring St. Louis County.The numbering plan area is bordered to the west by area code 636, which serves St. Louis' outer suburbs to the west, south, and north.. Across the Mississippi River to the east ...

    New 557 area code coming to St. Louis area in 2022 | ksdk.com

    Feb 8, 2022 · LOUIS — The St. Louis area will be the home of a new area code later this year, the 557 area code. The existing 314 area code is currently used for St. Louis, Overland, Bridgeton,...

    The New 557 Area Code is Coming to the 314 Area Code Region …

    JEFFERSON CITY---The Missouri Public Service Commission reminds telephone customers in the current 314 area code that implementation of an overlay plan and the introduction of a new area code in the current 314 area code will occur later …

    The St. Louis 314 adds a new area code, 557 | ksdk.com

    Aug 12, 2022 · 557 is due to the short supply of 314 numbers. Once they run out, new phone numbers in the area will be issued the 557 area code. Any existing 314 area code numbers will keep their current...

    557 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com

    Feb 1, 2025 · 557 Area Code located in Missouri, including 1 cities, 2 counties, 1 time zone, map, Census demographics, and 40 active prefixes.

    New 557 area code starts in St. Louis area - Spectrum News

    Feb 9, 2022 · The new 557 area code will co-exist everywhere in the region with the 314 area code according to the Missouri Public Service Commission. All local calls within this region must use the ten digit phone number rather than just seven digits.

    314….636….557? St. Louis preps for new area code - FOX 2

    Feb 8, 2022 · LOUIS — According to the Missouri Public Service Commission, the 314 area code is running out of space in the St. Louis area, meaning the region will add a new prefix as soon as this coming...

    A new area code is coming to the 314 area code region

    Feb 8, 2022 · The new area code will be 557, but existing 314 area code customers will keep their current area code and their telephone numbers will not be changed.

    Notice of New Area Code to the 314 Area Code Area - T-Mobile

    Beginning August 12, 2022, customers in the 314 area code overlay region may be assigned a number in the new 557 area code when they request new service or an additional line.Customers receiving a 557 area code will be required to dial the area code and phone number for all local calls, just as customers with telephone numbers from the 314 area code do today.

    314 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com

    Feb 1, 2025 · 314 Area Code located in Missouri, including 9 cities, 3 counties, 1 time zone, map, Census demographics, and 754 active prefixes.