New Hampshire Area Code Map: Web new hampshire is currently using 1 area codes 603 manchester, nashua, concord, dover, rochester, salem, keene, derry,. Web area code map of new hampshire the us country code and new hampshire us area code chart below gives you the necessary information for calling. Web there are 1 active area codes in the state of new hampshire.

New Hampshire Area Code Map

Each of these area codes are listed below. Web area code map of new hampshire the us country code and new hampshire us area code chart below gives you the necessary information for calling. Web area codes list for the united states, state new hampshire.