There are 2 Post Offices in Sisseton, South Dakota, serving a population of 2,548 people in an area of 2 square miles. There is 1 Post Office per 1,274 people, and 1 Post Office per square mile.
In South Dakota, Sisseton is ranked 273rd of 463 cities in Post Offices per capita, and 195th of 463 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Sisseton Post Offices.
United States Postal Service 205 East Oak Street Suite 103 Sisseton, SD Mailing Service, Postal Services
United States Postal Service 45672 Veterans Memorial Drive Sisseton, SD