What are the Valley Furnace, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for Valley FurnaceZip CodePrimary CitySecondary City17959New PhiladelphiaValley Furnace, Silver Creek, Kaska, New PhilaCities sharing Zip Codes with Valley FurnaceZip CodePrimary CitySecondary CityMore Information17959New PhiladelphiaKaska17959New PhiladelphiaNew Phila17959New PhiladelphiaSilver Creek17959New PhiladelphiaValley FurnaceAdvertisements