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603 Area Code Cell Phones

This 603 page contains information about the (603) area code, located within the US. The 603 areacode is in NH.

According to NPA-NXX exchange data, here are the cities in -603-: Alstead, Alton, Andover, Antrim, Ashland, Barrington, Bartlett, Bedford, Belmont, Berlin, Bethlehem, Boscawen, Bow, Bristol, Campton, Canaan, Candia, Canterbury, Center Conway, Center Tuftonboro, Charlestown, Chester, Chesterfield, Claremont, Colebrook, Concord, Contoocook, Conway, Ctr Ossipee, Deerfield, Derry, Dover, Durham, E Rochester, East Kingston, Enfield, Epping, Errol, Exeter, Falmouth, Farmington, Fitzwilliam, Franconia, Franklin, Gilmanton, Goffstown, Gorham, Grafton, Greenfield, Greenville, Groveton, Hampstead, Hampton, Hancock, Hanover, Harrisville, Henniker, Hillsboro, Hinsdale, Hollis, Hooksett, Intervale, Jackson, Jaffrey, Jefferson, Keene, Kingston, Laconia, Lancaster, Lebanon, Lisbon, Littleton, Lyme, Madison, Manchester, Marlborough, Marlow, Meredith, Meriden, Merrimack, Milan, Milford, Milton Mills, N Woodstock, Nashua, New Boston, New Durham, New London, Newbury, Newmarket, Newport, North Conway, North Sandwich, North Stratford, North Walpole, Northwood, Pelham, Penacook, Peterborough, Pittsburg, Pittsfield, Plainfield, Plaistow, Plymouth, Portland, Portsmouth, Raymond, Rindge, Rochester, Rumney, Rye, Salem, Salisbury, Sanbornville, Seabrook, Somersworth, South Hampton, South Tamworth, Sullivan, Sunapee, Suncook, Tamworth, Tilton, Troy, W Lebanon, Walpole, Warner, Warren, Washington, Weare, Wentworth, West Chesterfield, Westmoreland, Whitefield, Wilton, Winchester, Wolfeboro, Wonalancet and Woodsville

Phone numbers, especially cell phones, can easily be "ported" now, but here are the main carriers and cell companies for area code 603.

  • At&t - Local
  • Bell Atlantic Nynex Mobile
  • Blue Licenses Holding, Llc
  • Bretton Woods Tel Co
  • Broadview Networks, Inc.
  • Brooks Fiber Communications
  • Choice One Of New Hampshire, Inc.
  • Comcast Phone Of New Hampshire, Llc
  • Conversent Communications Of New Ha
  • Ctc Communications
  • Dixville Tel Co
  • Dsci Corporation - Nh
  • Dunbarton Tel Co
  • Freedom Ring Communications, Llc
  • Global Naps
  • Granite State Tel Inc
  • Hollis Telephone Company, Inc.
  • Idt America Corp.
  • Kearsarge Tel Co
  • Level 3 Communications, Llc
  • Lightship Telecom, Llc
  • Merrimack County Tel Co
  • Merrimack County Tel Co Dba Contooc
  • National Mobile Communications Corp
  • Nextel Communications, Inc.
  • Northland Telephone Of Me, Inc
  • Omnipoint Miami E License, Llc
  • Otel Telekom, Inc. - Nh
  • Paetec Communications, Inc.
  • Rnk, Inc.
  • Rural Cellular Corporation
  • Southwestern Bell Mobile Systems, L
  • Sprint Spectrum L.P.
  • Teleport Commun Group
  • Time Warner Cable Information Svcs
  • Union Telephone Company
  • United States Cellular Corp.
  • Verizon New England Inc. Dba Verizo
  • Wilton Tel Co

The state in which 603 is predominately located is: NH. There are no additional area codes within NH.

Did you know? Here are some other interesting tidbits about 603:

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