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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
203-343 Derby, CT New Haven Cell Number
203-344 Old Greenwich, CT Fairfield Landline
203-345 Bridgeport, CT Fairfield Landline
203-346 Waterbury, CT New Haven Landline
203-347 Greenwich, CT Fairfield Landline
203-348 Stamford, CT Fairfield Landline
203-349 Westport, CT Fairfield Landline
203-350 Madison, CT New Haven Landline
203-351 Stamford, CT Fairfield Landline
203-352 Stamford, CT Fairfield Landline
203-353 Stamford, CT Fairfield Landline
203-354 Norwalk, CT Fairfield Landline
203-355 Stamford, CT Fairfield Landline
203-356 Stamford, CT Fairfield Landline
203-357 Stamford, CT Fairfield Landline
203-358 Stamford, CT Fairfield Landline
203-359 Stamford, CT Fairfield Landline
203-360 Bridgeport, CT Fairfield Cell Number
203-361 New Haven, CT New Haven Landline
203-362 Bridgeport, 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.