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Area Code 203 - New Haven, CT

Below is the information for Area Code 203
General Information for Area Code 203
Country United States
State/Province Connecticut
Major City New Haven
Time Zone Eastern (UTC-05:00)

Phone directory of numbers beginning with Area Code 203 Prefixes

Prefix Primary City County Phone Type
203-242 Huntington, CT Fairfield Landline
203-243 Bridgeport, CT Fairfield Cell Number
203-244 Ridgefield, CT Fairfield Landline
203-245 Madison, CT New Haven Landline
203-246 Norwalk, CT Fairfield Cell Number
203-247 Norwalk, CT Fairfield Cell Number
203-248 New Haven, CT New Haven Landline
203-249 Stamford, CT Fairfield Cell Number
203-250 Cheshire, CT New Haven Landline
203-251 Stamford, CT Fairfield Landline
203-252 Stamford, CT Fairfield Landline
203-253 Stamford, CT Fairfield Cell Number
203-254 Fairfield, CT Fairfield Landline
203-255 Fairfield, CT Fairfield Landline
203-256 Fairfield, CT Fairfield Landline
203-257 Bridgeport, CT Fairfield Cell Number
203-258 Bridgeport, CT Fairfield Cell Number
203-259 Fairfield, CT Fairfield Landline
203-260 Bridgeport, CT Fairfield Cell Number
203-261 Trumbull, CT Fairfield Landline
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Location Details

Area code is a type of numbering scheme used in telecommunication. It divides the territories of its member countries, the code is a three-digit code. The digits 0 and 1 applied for central office codes. Other digits were applied into geographic areas of the service territory.

  • 200: easily recognizable code (ERC)
  • 201: New Jersey
  • 202: Washington, D.C.
  • 203: Connecticut
    • and so on.

If you want to get more informatons of the areacode, Input an areacode into the above search area, get what you want.