What are the Mdt, Pennsylvania Zip Codes for 2020, 2019Primary Zip Codes for MdtZip CodePrimary CitySecondary City17057MiddletownMdt, H I A, Hbg Inter Airp, Londonderry, Lower Swatara, Middletwn, Midltwn, Royalton, Shope GardensCities sharing Zip Codes with MdtZip CodePrimary CitySecondary CityMore Information17057MiddletownH I A17057MiddletownHbg Inter Airp17057MiddletownLondonderry17057MiddletownLower Swatara17057MiddletownMdt17057MiddletownMiddletwn17057MiddletownMidltwn17057MiddletownRoyalton17057MiddletownShope GardensAdvertisements