There are 2 Post Offices in Foster, Oklahoma, serving a population of 138 people in an area of 16 square miles. There is 1 Post Office per 69 people, and 1 Post Office per 7 square miles.
In Oklahoma, Foster is ranked 78th of 815 cities in Post Offices per capita, and 494th of 815 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Foster Post Offices.
US Post Office 200 Highway 29a Foster, OK
United States Postal Service 20188 East County Road 1655 Foster, OK Mailing Service, Postal Services