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. Each Greenfield New Hampshire zip code has a center Longitude / Latitude point (the Greenfield center is -71.871299743652 / 42.950401306152). For your convenience we have also indicated if that zip code in Greenfield observes Daylight Savings time.