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
603-245 Portsmouth, NH Rockingham Landline
603-246 Colebrook, NH Coos Landline
603-247 Derry, NH Rockingham Cell Number
603-248 Dover, NH Strafford Cell Number
603-249 Milford, NH Hillsborough Landline
603-250 Meredith, NH Belknap Landline
603-251 Salem, NH Rockingham Landline
603-252 W Lebanon, NH Grafton Cell Number
603-253 Meredith, NH Belknap Landline
603-254 Plymouth, NH Grafton Cell Number
603-255 Colebrook, NH Coos Landline
603-256 West Chesterfield, NH Cheshire Landline
603-257 Plaistow, NH Rockingham Landline
603-259 Littleton, NH Grafton Landline
603-260 Derry, NH Rockingham Cell Number
603-261 Merrimack, NH Hillsborough Cell Number
603-262 Merrimack, NH Hillsborough Landline
603-263 Manchester, NH Hillsborough Landline
603-264 Manchester, NH Hillsborough Cell Number
603-265 New Boston, NH Hillsborough Cell Number
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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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