AreaCodeX

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Connecticut Area Code

Connecticut currently utilizes 4 area codes. When first established by AT&T and the Bell System in 1947, 203 covered the entire state of Connecticut. The most recently added was 959 in 2014 as an overlay to 860. Today, 860 is the most populated with an estimated 1.8 million of the state's 3.6 million residents.

203

Timezone:Eastern

  • Ansonia
  • Bethel
  • Bethlehem Village
  • Branford Center
  • Bridgeport
  • Byram
  • Cannondale
  • Cheshire Village
  • Cos Cob
  • Danbury
  • Darien
  • Derby
  • East Haven
  • Georgetown
  • Glenville
  • Greenwich
  • Guilford Center
  • Heritage Village
  • Madison Center
  • Meriden
  • Milford
  • Naugatuck
  • New Haven
  • Newtown
  • North Haven
  • Norwalk
  • Old Greenwich
  • Orange
  • Pemberwick
  • Ridgefield
  • Riverside
  • Shelton
  • Southport
  • Stamford
  • Stratford
  • Trumbull
  • Wallingford Center
  • Waterbury
  • West Haven
  • Westport
  • Wilton Center
  • Woodbury Center
  • Woodmont

475

Timezone:Eastern

475 is an overlay for area code 203.

860

Timezone:Eastern

  • Baltic
  • Bantam
  • Blue Hills
  • Bristol
  • Broad Brook
  • Brooklyn
  • Canaan
  • Canton Valley
  • Chester Center
  • Clinton
  • Colchester
  • Collinsville
  • Conning Towers Nautilus Park
  • Coventry Lake
  • Crystal Lake
  • Danielson
  • Deep River Center
  • Durham
  • East Brooklyn
  • East Hampton
  • East Hartford
  • Essex Village
  • Falls Village
  • Fenwick
  • Gales Ferry
  • Glastonbury Center
  • Groton
  • Groton Long Point
  • Hartford
  • Hazardville
  • Higganum
  • Jewett City
  • Kensington
  • Lake Pocotopaug
  • Lakeville
  • Litchfield
  • Long Hill
  • Manchester
  • Mansfield Center
  • Mashantucket
  • Middletown
  • Moodus
  • Moosup
  • Mystic
  • New Britain
  • New Hartford Center
  • Newington
  • New London
  • New Milford
  • New Preston
  • Niantic
  • Noank
  • Norfolk
  • North Granby
  • North Grosvenor Dale
  • Northwest Harwinton
  • Norwich
  • Oakville
  • Old Mystic
  • Old Saybrook Center
  • Oxoboxo River
  • Pawcatuck
  • Plainfield Village
  • Poquonock Bridge
  • Portland
  • Putnam
  • Quinebaug
  • Rockville
  • Salmon Brook
  • Saybrook Manor
  • Sharon
  • Sherwood Manor
  • Simsbury Center
  • Somers
  • South Coventry
  • South Windham
  • Southwood Acres
  • South Woodstock
  • Stafford Springs
  • Stonington
  • Storrs
  • Suffield Depot
  • Tariffville
  • Terramuggus
  • Terryville
  • Thomaston
  • Thompsonville
  • Torrington
  • Waterford
  • Watertown
  • Wauregan
  • Weatogue
  • Westbrook Center
  • West Hartford
  • West Simsbury
  • Wethersfield
  • Willimantic
  • Windsor Locks
  • Winsted

959

Timezone:Eastern

959 is an overlay for area code 860.