Below is a list of Gem County ID zip codes. For your research we have also included Gem County Area Code, Time Zone, UTC and the local County FIPS Code. Each Gem County Idaho zip code has a center Longitude / Latitude point (the Gem County center is -116.44400024414 / 44.009799957275). For your convenience we have also indicated if that zip code in Gem County observes Daylight Savings time.