603 Area Code Lookup: Cities and Phone Numbers

Phone numbers in the 603 area code can be found in 143 cities or locations.

Those phone numbers can be found in the following cities or locations: 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.

The carriers providing phone numbers in this area code are: 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..