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203 Area Code


The 140 central offices below make up area code (203) in Connecticut.


These exchanges encompass the following CT cities:

  • North Haven
  • Westport
  • New Haven
  • Norwalk
  • Danbury
  • Greenwich
  • Wallingford
  • Seymour
  • Trumbull
  • Waterbury
  • Bridgeport
  • Stamford
  • Derby
  • Meriden
  • Milford
  • Cheshire
  • Wilton
  • Darien
  • Prospect
  • Newtown
  • Redding Center
  • Shelton
  • Ridgefield
  • Branford
  • Guilford
  • Madison
  • Naugatuck
  • Georgetown

Learn more: Area code 203 at Wikipedia



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