Area Code 203

Where is area code 203 located?

Below you will find a list of all cities covered by area code 203 in Connecticut.

  • Ansonia, CT
  • Beacon Falls, CT
  • Bethany, CT
  • Bethel, CT
  • Bethlehem, CT
  • Botsford, CT
  • Branford, CT
  • Brookfield, CT
  • Cheshire, CT
  • Cos Cob, CT
  • Darien, CT
  • Derby, CT
  • East Haven, CT
  • Easton, CT
  • Fairfield, CT
  • Georgetown, CT
  • Greens Farms, CT
  • Greenwich, CT
  • Guilford, CT
  • Hamden, CT
  • Hawleyville, CT
  • Madison, CT
  • Middlebury, CT
  • Monroe, CT
  • Naugatuck, CT
  • New Canaan, CT
  • New Fairfield, CT
  • Newtown, CT
  • North Branford, CT
  • North Haven, CT
  • Northford, CT
  • Old Greenwich, CT
  • Orange, CT
  • Oxford, CT
  • Prospect, CT
  • Redding, CT
  • Redding Center, CT
  • Redding Ridge, CT
  • Ridgefield, CT
  • Riverside, CT
  • Roxbury, CT
  • Sandy Hook, CT
  • Seymour, CT
  • Shelton, CT
  • Sherman, CT
  • South Britain, CT
  • Southbury, CT
  • Southport, CT
  • Stevenson, CT
  • Stratford, CT
  • Trumbull, CT
  • Wallingford, CT
  • Weston, CT
  • Westport, CT
  • Wilton, CT
  • Wolcott, CT
  • Woodbridge, CT
  • Woodbury, CT