NPA - 603 New Hampshire (NH)

The 603 Area Code is located in the state of New Hampshire. Area Code 603 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 333,238 unique phone numbers near the cities of Claremont-Lebanon.

There are a few special area codes with the last two digits 422 match, these are known as easily recognizable codes (ERCs). The 8xx set of numbers are reserved for toll-free services and communication.

Those numbers can be found in the following cities or locations: New Hampshire (NH).

1. AreaCodes Directory
2. 603

603 Stats:

Cities in area code 603:

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

Related phone operators in Area Code 603:

AT&T Local, Bandwidth.com Clec, Bell Atlantic Nynex Mobile, Bretton Woods Telephone Co., Broadview Networks, Brooks Fiber Communications Of New Hampshire, Charter Fiberlink, Choice One Communications Of New Hampshire, Comcast Phone Of New Hampshire, Conversent Communications Of New Hampshire, Crc Communications Of Maine, Ctc Communications Corp., Dixville Telephone Co., Dsci Corporation, Dunbarton Telephone Company, Freedom Ring Communications, Granite State Telephone, Hollis Telephone Company, Idt America Corp, Kearsarge Telephone Co., Level 3 Communications, Lightship Telecom, Merrimack Co. Telephone Co., DBA Contoocook V, Merrimack County Telephone Co., Metro PCS, National Mobile Communications Corporation - , Neutral Tandem-new Hampshire, New Cingular Wireless PCS - DC, No New England Tel Op DBA Fairpoint Comm, Northland Telephone Of Maine, Omnipoint Miami E License, Otel Telekom, Paetec Communications, Rural Cellular Corporation, Securesyscom, Sprint Spectrum L.p., Teleport Communications America, Time Warner Cable Information Svcs (new Hamps, Topsham Communications, Union Telephone Co., United States Cellular Corp. - New Hampshire, Wilton Telephone Co..