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What area code is 203/475?
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Area codes 203 and 475 are telephone area codes in the North American Numbering Plan (NANP) for the southwestern part of the U.S. state of Connecticut. The numbering plan area (NPA) is mostly coextensive with the Connecticut portion of the New York metropolitan area, and comprises most of Fairfield County, all of New Haven County, and a small ...
To find information on a specific area code, use the area code lookup that makes it easy to find an area code by number and gives detailed information including city/state, timezone, and area code maps.
Area code 203 serves the state of Connecticut. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 203 is a General Purpose Code. 203 service area does overlap with 475 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.
Area codes in numerical order. Area codes that are not in use are listed in italic type face; and unassignable codes are bolded. The column Date lists either the date or year of assignment before implementation, or the in-service date. 200–299. 300–399. 400–499. 500–599. 600–699. 700–799.
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947List of Connecticut area codes. This is a list of area codes in Connecticut: [1] In 1999, Connecticut announced that two additional codes may be implemented when needed: 475, overlaying 203; and 959, overlaying 860. In March 2009, NANPA announced area code 475 to overlay 203 in December 2009.
Prefixes – 800 codes. Area code 203 is located in Connecticut. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.
May 1, 2024 · The 203 Area Code Map above shows the geographic region it covers. It has a single overlay (475) that serves the same geographic area. Combined, this Area Code (and overlays), serves a population of 2,007,440. Area Code 203 has a single Timezone of Eastern (GMT -05:00).
