603 Area Code

Primary cities: Manchester, Nashua, Concord, Derry, Portsmouth ... all cities

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