Live Chat I-476 PA Community Nearby Traffic Mainland Post Office (Amenity postoffice) 2024-06-11 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Mainland Post Office (Amenity Postoffice) Cedars, PA 3.18 Woxall, PA 3.39 Norristown, PA 3.39 Interstate highway exits close to Mainland Post Office (Amenity Postoffice) Exit 31, i476pa 1.19 Exit 20, i476pa 15.33 Exit 19, i476pa 15.60 Interstate highways close to Mainland Post Office (Amenity Postoffice) i476pa map 1.19 i76 map 17.47 i276pa map 17.53 State roads close to Mainland Post Office (Amenity Postoffice) PA 63 map 0.53 PA 363 map 2.77 PA 309 map 8.10