There are 2 Post Offices in Sumner, Missouri, serving a population of 81 people in an area of 1 square miles. There is 1 Post Office per 40 people, and 1 Post Office per square mile.
In Missouri, Sumner is ranked 150th of 1263 cities in Post Offices per capita, and 163rd of 1263 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Sumner Post Offices.
US Post Office 200 West Center Street Sumner, MO
United States Postal Service 200 West Center Street Sumner, MO Mailing Service, Postal Services