Live Chat I-84 Community Nearby Traffic North Powder Post Office (Amenity postoffice) 2024-06-11 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to North Powder Post Office (Amenity Postoffice) Haines, OR 13.19 Union, OR 20.18 Baker City, OR 30.29 Interstate highway exits close to North Powder Post Office (Amenity Postoffice) Exit 283, i84 2.25 Exit 285, i84 4.11 Exit 278, i84 8.45 Interstate highways close to North Powder Post Office (Amenity Postoffice) i84 map 2.25 i82 map 138.92 i182wa map 159.61 State roads close to North Powder Post Office (Amenity Postoffice) US 30 OR map 2.25 US 26 OR map 62.22 US 395 OR map 77.40