What are the Heidelberg, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for HeidelbergZip CodePrimary CitySecondary City15106CarnegieHeidelberg, Collier Township, Collier Twp, Rennerdale,Cities sharing Zip Codes with HeidelbergZip CodePrimary CitySecondary CityMore Information15106CarnegieHeidelberg15106CarnegieCollier Township15106CarnegieCollier Twp15106CarnegieRennerdale Rennerdale population stats Advertisements