Connecticut Area Code Directory Information

The area codes in Connecticut include area codes 203, 860 along with the area code 475 that overlays the area code 203 and a proposed area code 959 which will overlay the area code 860. While the area code 475 came into effect from December 12, 2009, the area code 959 will be effective from 2011.

From November 14, 2009 all users need to dial the entire 10 digits of the telephone number including the area code number. This is also applicable for the users that need to call a Connecticut number that lies within the same area code.

Area Code 203

This area code covers the southwestern region of the state of Connecticut stretching from the western border along the southern coast and extending beyond the New Haven City and ending south of Hartford.

The area code 203 encompasses the area in Connecticut that belongs to the Tri-state region and the metro NYC. The area code 203 serves a population of about 1,664,818. This area code covers 85 cities, 11 counties and has 770 telephone exchanges. The 11 counties that fall under area code 203 are: Fairfield, Middlesex, Hartford, Litchfield, New Haven, Nassau, New London, Putnam, New York, Westchester and Richmond.

Some of the cities that belong to this area code are Avon, Ansonia, Bethany, Beacon Falls, Bridgeport, Bristol, Brookfield, Carmel, Cos Cob, Danbury, Derby, Darien, Georgetown, Glastonbury, Greenwich, Hartford, Madison, Monroe, Orange, Oxford,  Patterson, Prospect, Redding, Riverside, Seymour ,  Shelton, West Haven , White Plains and such.

Area Code 860

This area code was established in 1995 and covers the northwestern as well as the eastern regions of the state of Connecticut. The area code 860 also extends to the western as well as the northern borders of the state of Connecticut along with the eastern border.

860 shares a boundary with the area code 203 that begin from the Middletown City and runs across 17 towns that lie along the west, east and south of the Middletown City.

The area code caters to a population of about 1,683,465. There are nine counties, 182 cities and 742 telephone exchanges that fall under this area code. The 9 counties which belong to this area code are: Fairfield, Hartford, Hampden (Massachusetts), Litchfield, New Haven, Middlesex, New London, Windham and Tolland.

Some of the cities that fall under area code 860 are:  Amston, Abington, Andover, Avon, Ashford, Bantam, Baltic, Berlin, Barkhamsted, Bolton, Bethlehem, Bozrah, Bloomfield,  Bristol, Brooklyn, Broad Brook, Bridgewater, Canaan, Burlington, Canton, Canterbury, Central Village, Centerbrook, Chester, Chaplin, Colchester, Clinton, Columbia, Colebrook, Cornwall, Cornwall Bridge, Cromwell, Coventry, Dayville, Danielson, Durham, Deep River, East Berlin, East Granby , East Canaan, East Haddam, East Hartford, East Hampton, East Hartland, East Windsor, East Lyme, Eastford, Falls Village, Ellington, Enfield,  Gales Ferry, Goshen, Grosvenor Dale, Jewett City, Mansfield Center, New Britain, New Preston Marble Dale, Niantic, North Franklin, North Grosvenordale, North Windham, North Stonington, Old Saybrook, Storrs Mansfield, Vernon Rockville, Washington Depot, West Cornwall and such.

The area code 860 consists of 742 telephone exchanges that begin from the telephone exchange 201 and ends with the telephone exchange 998.