There are 2 Post Offices in Onaway, Michigan, serving a population of 765 people in an area of 2 square miles. There is 1 Post Office per 382 people, and 1 Post Office per square mile.
In Michigan, Onaway is ranked 367th of 1091 cities in Post Offices per capita, and 353rd of 1091 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Onaway Post Offices.
US Post Office 9720 M68-33 Highway Onaway, MI Mailing Service, Postal Services
United States Postal Service 20675 State Street Onaway, MI Mailbox Rental, Mailing Service, Postal Services