Live Chat I-15 Community Nearby Traffic Columbia Falls US Post Office (Amenity postoffice) 2024-06-12 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Columbia Falls US Post Office (Amenity Postoffice) Whitefish, MT 15.13 Coram, MT 16.03 Martin City, MT 20.14 Interstate highway exits close to Columbia Falls US Post Office (Amenity Postoffice) Exit 33, i90 142.69 Exit 22, i90 144.36 Exit 18, i90 144.75 Interstate highways close to Columbia Falls US Post Office (Amenity Postoffice) i90 map 142.69 i15 map 169.75 i182wa map 439.27 State roads close to Columbia Falls US Post Office (Amenity Postoffice) MT S 486 map 7.50 US 2 MT map 7.54 MT 40 map 7.56