Below is a list of Frontier County NE zip codes. For your research we have also included Frontier County Area Code, Time Zone, UTC and the local County FIPS Code. Each Frontier County Nebraska zip code has a center Longitude / Latitude point (the Frontier County center is -100.37599945068 / 40.570701599121). For your convenience we have also indicated if that zip code in Frontier County observes Daylight Savings time.