Below is a list of Firth NE zip codes. For your research we have also included Firth Area Code, Time Zone, UTC and the local Lancaster County FIPS Code. Each Firth Nebraska zip code has a center Longitude / Latitude point (the Firth center is -96.605003356934 / 40.534999847412). For your convenience we have also indicated if that zip code in Firth observes Daylight Savings time.