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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
203-302 Greenwich, CT Fairfield Landline
203-303 Wallingford, CT New Haven Landline
203-304 Newtown, CT Fairfield Landline
203-305 Derby, CT New Haven Cell Number
203-306 Milford, CT New Haven Landline
203-307 Fairfield, CT Fairfield Landline
203-308 Derby, CT New Haven Cell Number
203-309 New Haven, CT New Haven Cell Number
203-310 New Canaan, CT Fairfield Landline
203-312 Danbury, CT Fairfield Landline
203-313 Danbury, CT Fairfield Cell Number
203-314 New Haven, CT New Haven Cell Number
203-315 Branford, CT New Haven Landline
203-316 Stamford, CT Fairfield Landline
203-317 Meriden, CT New Haven Landline
203-318 Madison, CT New Haven Landline
203-319 Fairfield, CT Fairfield Landline
203-320 Darien, CT Fairfield Landline
203-321 Stamford, CT Fairfield Landline
203-322 Stamford, 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.