County Hillsborough is located in the state of New Hampshire. Hillsborough is spread between the coordinates of +42.8573008 Latitude and -71.60551896 Longitude. Hillsborough has 40 zip codes, 33 cities, 1 area code and 41 post offices.
Below you will find more info about Hillsborough and also zip codes, cities, area codes and the post offices that belong to this county.