Below is a list of Herkimer County NY zip codes. For your research we have also included Herkimer County Area Code, Time Zone, UTC and the local County FIPS Code. Each Herkimer County New York zip code has a center Longitude / Latitude point (the Herkimer County center is -74.952003479004 / 43.210300445557). For your convenience we have also indicated if that zip code in Herkimer County observes Daylight Savings time.