There are 3 Post Offices in Carter County, Montana, serving a population of 1,320 people in an area of 3,340 square miles. There is 1 Post Office per 440 people, and 1 Post Office per 1,113 square miles.
In Montana, Carter County is ranked 7th of 56 counties in Post Offices per capita, and 53rd of 56 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Carter County Post Offices.
United States Postal Service 102 Main Street Hammond, MT Mailing Service, Postal Services
United States Postal Service 10203 Highway 212 Boyes, MT Mailing Service, Postal Services
United States Postal Service 116 Church Avenue Ekalaka, MT Mailing Service, Postal Services