Below is a list of Coos County NH zip codes. For your research we have also included Coos County Area Code, Time Zone, UTC and the local County FIPS Code. Each Coos County New Hampshire zip code has a center Longitude / Latitude point (the Coos County center is -71.400199890137 / 44.577800750732). For your convenience we have also indicated if that zip code in Coos County observes Daylight Savings time.