Below is a list of Somersworth NH zip codes. For your research we have also included Somersworth Area Code, Time Zone, UTC and the local Strafford County FIPS Code. Each Somersworth New Hampshire zip code has a center Longitude / Latitude point (the Somersworth center is -70.898399353027 / 43.253398895264). For your convenience we have also indicated if that zip code in Somersworth observes Daylight Savings time.