There are 2 Post Offices in South Prairie, Washington, serving a population of 271 people in an area of 1 square miles. There is 1 Post Office per 135 people, and 1 Post Office per square mile.
In Washington, South Prairie is ranked 119th of 729 cities in Post Offices per capita, and 98th of 729 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for South Prairie Post Offices.
U S Government 105 Highway 162 East South Prairie, WA
United States Postal Service 105 Highway 162 East South Prairie, WA Mailing Service, Postal Services