603 Area Code Prefixes
603 Area Code Map and Stats

Top cities with a 603 Area Code

Where is the 603 Area Code?

The 603 Area Code (or Area Code 603) is located in the state of NH. Area Code 603 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 36 unique phone numbers and 74 individuals near the city of Newmarket

Location & Map

Most numbers within Area Code 603 are located in the following cities: Newmarket, Manchester, Nashua, Portsmouth, Laconia, Lyme, Keene, Suncook, Salem, Milford, Milan, Berlin, Derry, Bristol, Concord, Campton, Colebrook, Plymouth, Winchester, Troy, Woodsville, Raymond, Dover, Center Harbor, Charlestown, West Lebanon, West Chesterfield, Plaistow, Weare, Littleton, Merrimack, New Boston, Tilton, Belmont, Center Barnstead, Piermont, East Kingston, Hanover, Whitefield, Meredith, Barrington, Canaan, Center Sandwich, Claremont, Sanbornville, Greenville, Durham, Center Ossipee, Farmington, Chester, Enfield, Lebanon, North Conway, Bedford, Tamworth, Hampstead, Rochester, Hinsdale, Kingston, North Woodstock, Milton, Goffstown, Orford, Spofford, Gilmanton Iron Works, Madison, Eaton Center, Candia, Peterborough, Bartlett, Ashland, Rye, Jackson, Lancaster, Exeter, Westmoreland, Phoenix, Safford, Sunapee, Portland, Henniker, Pittsfield, North Walpole, Marlow, Conway, Aurora, Warner, Deerfield, Hillsborough, Hollis, Gorham, Seabrook, Plainfield, Milton Mills, Washington, Hampton, Elkins, Pelham, Wolfeboro, Clinton, Hancock, New London, Jaffrey, Pittsburg, Greenfield, Harrisville, Alstead, Fitzwilliam, Antrim, Camp H M Smith, Gilford, Northwood, Haverhill, Groveton, Monroe, Salisbury, Wilton, Franklin, Epping, Somersworth, Center Conway, Berwyn, New Durham, Canterbury, Miami, Andover, Epsom, Contoocook, Walpole, Warren, Danbury, Dunbarton, Rumney, Leominster, Chichester, Newport, Lyndeborough, Franconia, Mount Prospect, Lisbon, Sullivan, Avondale, Alton, East Hampstead, Bethlehem, Marlborough, Rindge, Bradford, Nelson, Sandown, Villa Park, Catlettsburg, North Stratford, Litchfield, Windham, Lowell, Ridgecrest, Youngsville.

Time Zone & Current Time

The 603 area code lies within the Eastern Standard Time (or EST). The current time in Eastern Standard Time is 09:06 PM on 01/27/2015.

Top Cities

Newmarket, Manchester, Nashua, Portsmouth, Manchester, Laconia, Lyme, Keene, Suncook, Salem, Milford, Milan, Berlin, Derry, Bristol, Manchester, Concord, and Nashua

Population Demographics

The 603 Area Code is one of the telephone area codes supported by Spokeo's Reverse Phone Lookup technology. Spokeo's reverse phone lookup functions much like a personal caller-ID system, and can identify the owner of virtually any phone number in the continental United States. Spokeo gathers hundreds of millions of listed phone records and potentially presents the owner's full name, address, email, photos, and any other information that may be associated with the record. Try searching for any 603 Area Code phone number today, and discover what Spokeo can do for you.


Newmarket, NH
Neighborhood statistics for Newmarket, NH
Avg. Property Value
Avg. Household Income
Top Occupations
37% Management
26% Sales
Average Age
62 years old
50% Female
Top Ethnicities
94% Caucasian
2% Other

About Newmarket, NH

Newmarket is a town in Rockingham County, New Hampshire, United States. The population was 8,936 at the 2010 census. Some residents are students and employees at the nearby University of New Hampshire in Durham. The primary settlement in town, where 5,297 people resided at the 2010 census, is defined as the Newmarket census-designated place, or CDP, and is located at the junction of New Hampshire routes 108 and 152, adjacent to the Lamprey River.