What are the Demster, New York Zip Codes for 2020, 2019Primary Zip Codes for DemsterZip CodePrimary CitySecondary City13126OswegoDemster, Bundyville, Fruit Valley, Furniss, Furniss Sta, North Hannibal, Oswego Center, Scriba, Scriba Center, Seneca Hill, Southwest OswegoCities sharing Zip Codes with DemsterZip CodePrimary CitySecondary CityMore Information13126OswegoBundyville13126OswegoDemster13126OswegoFruit Valley13126OswegoFurniss13126OswegoFurniss Sta13126OswegoNorth Hannibal13126OswegoOswego Center13126OswegoScriba13126OswegoScriba Center13126OswegoSeneca Hill13126OswegoSouthwest OswegoAdvertisements