203 Area Code Data

Area code 203 has a total estimated population of 1,702,199 people and covers the following localities in Connecticut:

  • Bethany
  • Branford
  • Bridgeport
  • Brookfield
  • Cheshire
  • Danbury
  • Darien
  • Derby
  • East Haven
  • Georgetown
  • Greenwich
  • Guilford
  • Madison
  • Meriden
  • Middlebury
  • Milford
  • Naugatuck
  • New Canaan
  • New Haven
  • New London
  • Newtown
  • North Branford
  • North Haven
  • Norwalk
  • Old Greenwich
  • Orange
  • Port Chester
  • Prospect
  • Redding Center
  • Ridgefield
  • Seymour
  • Shelton
  • Stamford
  • Trumbull
  • Wallingford
  • Waterbury
  • West Haven
  • Westport
  • Wilton
  • Wolcott

The (203) area code is comprised of 730 unique phone exchanges: