Largest Storage in Missoula MT! Copperstone Stor-All is dedicated to providing quality, cleanliness, convenience, and secure units to the Missoula area. Our goal is to gain your trust and give you more for your money. Find your perfect unit size and start storing today! To know more about Missoula Storage Facilities, visit our Website. Address: 8700 Roller Coaster Rd, Missoula, MT 59808 Phone number: (406)-728-7867