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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
603-331 Colebrook, NH Coos Landline
603-332 Rochester, NH Strafford Landline
603-334 Portsmouth, NH Rockingham Landline
603-335 Rochester, NH Strafford Landline
603-336 Hinsdale, NH Cheshire Landline
603-337 Rochester, NH Strafford Landline
603-338 Keene, NH Cheshire Landline
603-339 Derry, NH Rockingham Cell Number
603-340 Suncook, NH Merrimack Cell Number
603-341 Merrimack, NH Hillsborough Cell Number
603-342 Berlin, NH Coos Landline
603-343 Dover, NH Strafford Landline
603-344 Suncook, NH Merrimack Cell Number
603-345 Merrimack, NH Hillsborough Cell Number
603-346 Plymouth, NH Grafton Landline
603-347 Kingston, NH Rockingham Landline
603-348 N Woodstock, NH Grafton Cell Number
603-349 W Lebanon, NH Grafton Cell Number
603-350 E Rochester, NH Strafford Landline
603-351 Manchester, NH Hillsborough Landline
‹‹ 1 2 3 4 5 6 7 8 9 10 11 12 ... 34 35 ››

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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.