Below is a list of Cornish NH zip codes. For your research we have also included Cornish Area Code, Time Zone, UTC and the local Sullivan County FIPS Code. Each Cornish New Hampshire zip code has a center Longitude / Latitude point (the Cornish center is -72.333396911621 / 43.464199066162). For your convenience we have also indicated if that zip code in Cornish observes Daylight Savings time.