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
603-200 Newmarket, NH Rockingham Landline
603-203 Manchester, NH Hillsborough Cell Number
603-204 Nashua, NH Hillsborough Cell Number
603-205 Portsmouth, NH Rockingham Cell Number
603-206 Manchester, NH Hillsborough Landline
603-208 Lyme, NH Grafton Cell Number
603-209 Keene, NH Cheshire Cell Number
603-210 Manchester, NH Hillsborough Landline
603-212 Salem, NH Rockingham Landline
603-213 Derry, NH Rockingham Cell Number
603-214 Errol, NH Coos Landline
603-215 Berlin, NH Coos Landline
603-216 Manchester, NH Hillsborough Landline
603-217 Bristol, NH Grafton Landline
603-218 Manchester, NH Hillsborough Landline
603-219 Concord, NH Merrimack Cell Number
603-221 Nashua, NH Hillsborough Cell Number
603-222 Manchester, NH Hillsborough Landline
603-223 Concord, NH Merrimack Landline
603-224 Concord, NH Merrimack 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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