List of Connecticut area codes
Encyclopedia
This is a list of area codes in Connecticut
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In 1999, Connecticut announced that there would be two additional codes to be implemented when needed: 475, which would overlay 203; and 959, which would overlay 860. In March 2009, NANPA announced that Area Code 475 would overlay 203 in December 2009. Effective November 14, 2009, all calls originating from area code 203 or 860 must be dialed with 10 digits beginning with the area code, including calls within the same area code.
Connecticut
Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...
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- 203Area codes 203 and 475Area code 203 is the North American telephone area code that covers the southwestern part of Connecticut. The area code stretches from its western border, along its southern coast, to beyond the city of New Haven, and ends just south of Hartford. 203 overlays with area code 475...
- Covering southwestern Connecticut (Fairfield CountyFairfield County, ConnecticutFairfield County is a county located in the southwestern corner of the U.S. state of Connecticut. The county population is 916,829 according to the 2010 Census. There are currently 1,465 people per square mile in the county. It is the most populous county in the State of Connecticut and contains...
(except for ShermanSherman, ConnecticutSherman is the northernmost and least populous town of Fairfield County, Connecticut, United States. The population was 3,581 at the 2010 census. The town is named for New Haven's Founding Father, Roger Sherman....
); New Haven CountyNew Haven County, ConnecticutNew Haven County is a county located in the south central part of the U.S. state of Connecticut. As of the 2010 Census, the county population is 862,477 making it the third most populated county in Connecticut. There are 1,340 people per square mile...
, and the towns of BethlehemBethlehem, ConnecticutBethlehem is a town in Litchfield County, Connecticut, United States. The population was 3,422 at the 2000 census. The town center was designated in the 2000 census as a census-designated place ....
, WoodburyWoodbury, ConnecticutWoodbury is a town in Litchfield County, Connecticut, United States. The population was 9,198 at the 2000 census. The town center is also designated by the U.S. Census Bureau as a census-designated place . Woodbury was founded in 1672....
, as well as a small part of RoxburyRoxbury, ConnecticutRoxbury is a town in Litchfield County, Connecticut, United States. The population was 2,136 at the 2000 census.-History:Roxbury, whose Indian name was "Shepaug", a Mahican name signifiying "rocky water", was settled about the year 1713...
in Litchfield CountyLitchfield County, ConnecticutLitchfield County is a county located in the northwestern corner of the U.S. state of Connecticut. Litchfield County has the lowest population density of any county in Connecticut but is geographically the state's largest county. As of 2010 the population was 189,927...
.) - 475Area codes 203 and 475Area code 203 is the North American telephone area code that covers the southwestern part of Connecticut. The area code stretches from its western border, along its southern coast, to beyond the city of New Haven, and ends just south of Hartford. 203 overlays with area code 475...
- Overlaid 203 in December 2009. - 860Area codes 860 and 959Area code 860 is a telephone area code that covers most of Connecticut, except its southwest, which use area codes 203 and 475. Area code 959, originally announced in August 1999, will overlay area code 860 when the 860 code nears exhaustion; a date for implementing the 959 area code has yet to be...
- Northern and southeastern Connecticut - 959Area codes 860 and 959Area code 860 is a telephone area code that covers most of Connecticut, except its southwest, which use area codes 203 and 475. Area code 959, originally announced in August 1999, will overlay area code 860 when the 860 code nears exhaustion; a date for implementing the 959 area code has yet to be...
- Overlays 860; date TBD
In 1999, Connecticut announced that there would be two additional codes to be implemented when needed: 475, which would overlay 203; and 959, which would overlay 860. In March 2009, NANPA announced that Area Code 475 would overlay 203 in December 2009. Effective November 14, 2009, all calls originating from area code 203 or 860 must be dialed with 10 digits beginning with the area code, including calls within the same area code.