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U.S. ZIP Code 59058
5-digit United States postal code #59058, Mosby, MT
ZIP code 59058 is located in the city (place name) Mosby, сounty Garfield in the state of Montana. The population in ZIP code 59058 is 50 and the population density is 0.0. ZIP code 59058 refers to сounty Garfield having сounty FIPS 30033, the ratio of people from different counties in this ZIP code is as follows: all county weights - 30033: 100%. In the area of the ZIP code 59058 valid time zone America/Denver.