Montana is a western U.S state situated in the Mountain West region of the United States. Helena is the capital and Billings is the largest of Montana. Big sky country is the nickname of Montana. Montana is best known for its Yellowstone Park, Glacier Park. Montana Zip Code started with the digit 5900. The total number of Montana Zip Code approximately 404. The total population of Montana about 1,068,778. So you can find any information about Montana especially zip codes, area codes, Populations, cities, county and so on.