There are 3 Post Offices in Campbell County, South Dakota, serving a population of 1,443 people in an area of 734 square miles. There is 1 Post Office per 481 people, and 1 Post Office per 244 square miles.
In South Dakota, Campbell County is ranked 5th of 66 counties in Post Offices per capita, and 42nd of 66 counties in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Campbell County Post Offices.
United States Postal Service 118 Main Street North Herreid, SD Mailing Service, Postal Services
United States Postal Service 202 Main Street North Mound City, SD Mailing Service, Postal Services
United States Postal Service 123 Main Street Pollock, SD Mailing Service, Postal Services