There are 3 Post Offices in Granite County, Montana, serving a population of 3,206 people in an area of 1,727 square miles. There is 1 Post Office per 1,068 people, and 1 Post Office per 575 square miles.
In Montana, Granite County is ranked 28th of 56 counties in Post Offices per capita, and 42nd of 56 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Granite County Post Offices.
United States Postal Service 60 East Broad Street Drummond, MT Mailing Service, Postal Services
United States Postal Service 101 East Main Street Hall, MT Mailing Service, Postal Services
United States Postal Service 234 East Broadway Street Philipsburg, MT Mailing Service, Postal Services