Area Code 603 - Manchester, NH

Below is the information for Area Code 603
General Information for Area Code 603
Country United States
State/Province New Hampshire
Major City Manchester
Time Zone Eastern (UTC-05:00)

Phone directory of numbers beginning with Area Code 603 Prefixes

Prefix Primary City County Phone Type
603-309 Newport, NH Sullivan Cell Number
603-310 Bedford, NH Hillsborough Landline
603-312 Dover, NH Strafford Cell Number
603-313 Keene, NH Cheshire Cell Number
603-314 Manchester, NH Hillsborough Landline
603-315 Manchester, NH Hillsborough Cell Number
603-317 Milan, NH Coos Landline
603-318 Nashua, NH Hillsborough Landline
603-319 Portsmouth, NH Rockingham Landline
603-320 Nashua, NH Hillsborough Cell Number
603-321 Nashua, NH Hillsborough Cell Number
603-322 W Lebanon, NH Grafton Cell Number
603-323 Tamworth, NH Carroll Landline
603-324 Nashua, NH Hillsborough Landline
603-325 Manchester, NH Hillsborough Landline
603-326 Berlin, NH Coos Landline
603-327 Salem, NH Rockingham Landline
603-328 Salem, NH Rockingham Landline
603-329 Hampstead, NH Rockingham Landline
603-330 Rochester, NH Strafford 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.

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