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
603-225 Concord, NH Merrimack Landline
603-226 Concord, NH Merrimack Landline
603-227 Concord, NH Merrimack Landline
603-228 Concord, NH Merrimack Landline
603-229 Concord, NH Merrimack Landline
603-230 Concord, NH Merrimack Landline
603-231 Derry, NH Rockingham Cell Number
603-232 Manchester, NH Hillsborough Landline
603-233 Nashua, NH Hillsborough Cell Number
603-234 Derry, NH Rockingham Cell Number
603-235 Derry, NH Rockingham Cell Number
603-236 Wonalancet, NH Carroll Landline
603-237 Colebrook, NH Coos Landline
603-238 Plymouth, NH Grafton Landline
603-239 Winchester, NH Cheshire Landline
603-240 Manchester, NH Hillsborough Cell Number
603-241 Manchester, NH Hillsborough Cell Number
603-242 Troy, NH Cheshire Landline
603-243 Woodsville, NH Grafton Landline
603-244 Manchester, NH Hillsborough 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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