Live Chat I-5 Community Nearby Traffic Castle Rock Post Office (Amenity postoffice) 2024-05-03 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Castle Rock Post Office (Amenity Postoffice) Silverlake, WA 9.52 Vader, WA 12.56 Ryderwood, WA 13.89 Interstate highway exits close to Castle Rock Post Office (Amenity Postoffice) Exit 52, i5 2.02 Exit 49, i5 2.65 Exit 48, i5 5.44 Interstate highways close to Castle Rock Post Office (Amenity Postoffice) i5 map 2.02 i205or map 67.78 i84 map 88.79 State roads close to Castle Rock Post Office (Amenity Postoffice) WA 432 map 17.62 WA 4 map 17.64 US 30 OR map 24.25