Where is Zip Code 17057 map for 2020, 2019Primary Zip Codes for 17057Zip CodePrimary CitySecondary City17057MiddletownMiddletown, H I A, Hbg Inter Airp, Londonderry, Lower Swatara, Mdt, Middletwn, Midltwn, Royalton, Shope GardensCities sharing Zip Codes with 17057Zip CodePrimary CitySecondary CityMore Information17057MiddletownH I A17057MiddletownHbg Inter Airp17057MiddletownLondonderry17057MiddletownLower Swatara17057MiddletownMdt17057MiddletownMiddletwn17057MiddletownMidltwn17057MiddletownRoyalton17057MiddletownShope GardensAdvertisements