Some ZIP or postal codes for New Hampshire include 03031 for the city of Amherst in Hillsborough County and 03032 for Auburn in Rockinham County all the way to 03896 and 03897 for Wolfeboro Falls and Wonalancet, respectively, in Carroll County.
New Hampshire has more than 200 ZIP codes located throughout several counties. The postal codes are 03031 to 03101, 03301, and 03601 up to 03897 as of 2015. Each city in the state has at least one postal code such as Epping at 03042 while larger cities such as Manchester, Concord, Rochester, Portsmouth and Dover have more than one.
Manchester boasts at least 10 ZIP codes, six of which are standard: 03101, 03102, 03103, 03104 and 03109. The two PO Box codes are 03105 and 03108, with 03107 and 03111 being unique. Manchester shares only the standard 03106 ZIP code with another town, Hooksett, because only this part of Manchester falls in Merrimack County with the rest of the city in Hillsborough County.
Concord, the capital of New Hampshire, lies in Merrimack County as well and has four ZIP codes: two standard, one PO Box and one unique. The standard ZIP codes are 03301 and 03303, the latter of which it shares with the cities Boscawen, Webster and Penacook. The PO Box is 03302, and the unique ZIP code is 03305.