Greenfield has 1 zip code and 1 area code which we have listed below. Database Download: Greenfield, New Hampshire Zip Code Map & Detailed Profile: Greenfield Summary. The US average is 38 inches of rain per year. Drag to change point. In most parts of the country, the majority of commuters get to work in under half an hour. There are 66 people per square mile aka population density. Compare Internet by ZIP Code Compare Internet & TV Bundles Compare Business Internet. Change Location. poblation Type ZIP Code; Greenfield, NH: 1.441: STANDARD: 03047: Location of Greenfield, NH - USA. Homes in ZIP code 03047 were primarily built in 1939 or earlier. //-->, Cities in New Hampshire that start with G. The US average is 28 inches of snow per year. Below is a list of Greenfield NH zip codes.For your research we have also included Greenfield Area Code, Time Zone, UTC and the local Hillsborough County FIPS Code. Check the list of New Hampshire ZIP Code. The city of Greenfield is in the state of New Hampshire. The people living in ZIP code 03047 are primarily white. The table below compares 03047 to the other 243 ZIP Codes in New Hampshire by rank and percentile using July 1, 2020 data. 03047 Zip Code is spread between the coordinates of +42.929346 Latitude and -071.859087 Longitude. 03047 Zip Code is part of the 603 area code. Below is a list of Greenfield NH zip codes.For your research we have also included Greenfield Area Code, Time Zone, UTC and the local Hillsborough County FIPS Code. Prices for rental property include ZIP code 03047 apartments, townhouses, and homes that are primary residences. However, that is not the case in 03047. Find MoreCities in New Hampshire that start with G, Post Office Suburb:GREENFIELD, NH, 03047-9998,