New Hampshire is a U.S state situated in the New England region of the United States. Concord is the capital and Manchester is the largest city of New Hampshire. The Granite State is the nickname of New Hampshire. New Hampshire Zip Code started with the digit 303. The total number of New Hampshire Zip Code approximately 281. The total population of New Hampshire about 1,366,275. So you can find any information about New Hampshire especially zip codes, area codes, Populations, cities, county and so on.