Below is a list of Littleton NH zip codes. For your research we have also included Littleton Area Code, Time Zone, UTC and the local Grafton County FIPS Code. Each Littleton New Hampshire zip code has a center Longitude / Latitude point (the Littleton center is -71.759300231934 / 44.316398620605). For your convenience we have also indicated if that zip code in Littleton observes Daylight Savings time.