Below is a list of Mills NE zip codes. For your research we have also included Mills Area Code, Time Zone, UTC and the local Keya Paha County FIPS Code. Each Mills Nebraska zip code has a center Longitude / Latitude point (the Mills center is -99.443901062012 / 42.940498352051). For your convenience we have also indicated if that zip code in Mills observes Daylight Savings time.