Below is a list of Plattsmouth NE zip codes. For your research we have also included Plattsmouth Area Code, Time Zone, UTC and the local Cass County FIPS Code. Each Plattsmouth Nebraska zip code has a center Longitude / Latitude point (the Plattsmouth center is -95.890502929688 / 41.007099151611). For your convenience we have also indicated if that zip code in Plattsmouth observes Daylight Savings time.