Live Chat I-90 Community Nearby Traffic Newcastle Post Office (Amenity postoffice) 2024-06-01 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Newcastle Post Office (Amenity Postoffice) Four Corners, WY 15.10 Osage, WY 28.29 Upton, WY 41.90 Interstate highway exits close to Newcastle Post Office (Amenity Postoffice) Exit 165, i90 64.43 Exit 172, i90 65.60 Exit 178, i90 65.94 Interstate highways close to Newcastle Post Office (Amenity Postoffice) i90 map 64.43 i25 map 132.95 i80 map 277.40 State roads close to Newcastle Post Office (Amenity Postoffice) WY 450 map 4.95 US 16 WY map 19.62 US 85 WY map 23.81