What are the Eureka, Nebraska Zip Codes for 2020, 2019Primary Zip Codes for EurekaZip CodePrimary CitySecondary City68859North LoupEureka, Enterprise, IndependentCities sharing Zip Codes with EurekaZip CodePrimary CitySecondary CityMore Information68859North LoupEnterprise68859North LoupEureka68859North LoupIndependentAdvertisements