Below is a list of Sandown NH zip codes. For your research we have also included Sandown Area Code, Time Zone, UTC and the local Rockingham County FIPS Code. Each Sandown New Hampshire zip code has a center Longitude / Latitude point (the Sandown center is -71.187103271484 / 42.928398132324). For your convenience we have also indicated if that zip code in Sandown observes Daylight Savings time.