Below is a list of Haverhill NH zip codes. For your research we have also included Haverhill Area Code, Time Zone, UTC and the local Grafton County FIPS Code. Each Haverhill New Hampshire zip code has a center Longitude / Latitude point (the Haverhill center is -72.063697814941 / 44.034198760986). For your convenience we have also indicated if that zip code in Haverhill observes Daylight Savings time.