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Newmarket, New Hampshire Area Code Information Newmarket, NH Area Code is 603 Newmarket, NH is currently using only one area code which is area code 603. Area code 603 covers the entire state of New Hampshire, including Newmarket, and was established in 1947. In addition to Newmarket, NH area code 603 serves the larger communities of Concord, Derry, Dover, Keene, Manchester, Nashua, Portsmouth and Rochester. Newmarket, NH does not utilize any area code overlays. New Hampshire Area Codes 603 Area Codes in Other New Hampshire Locations Amherst Barrington Bedford Berlin Bow Claremont Concord Conway Derry Dover Durham Exeter Franklin Goffstown Hampstead Hampton Hanover Hollis Hooksett Hudson Keene Laconia Lebanon Litchfield Londonderry Manchester Merrimack Milford Nashua Newmarket Pelham Plaistow Portsmouth Raymond Rochester Salem Seabrook Somersworth Weare Windham United States Area Code Look Up By State Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Washington, DC West Virginia Wisconsin Wyoming Area Code Look Up in Surrounding Places American Samoa Bahamas Barbados Bermuda British Virgin Islands Dominican Republic Freeport (Bahamas) Grenada Grand Bahama Guam Jamaica Marshall Islands Nassau (Bahamas) Saint Thomas Saint Croix Saint John St. Lucia St. Vincent US Virgin Islands St. Kitts and Nevis Terms of Use - Privacy Statement www.AreaCodeHelp.com is not responsible for any damages or problems caused by this service. If you have any suggestions or comments contact us. Site Copyright 2006 www.areacodehelp.com

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