There are 2 Post Offices in Martinsville, Indiana, serving a population of 11,647 people in an area of 5 square miles. There is 1 Post Office per 5,823 people, and 1 Post Office per 2 square miles.
In Indiana, Martinsville is ranked 575th of 865 cities in Post Offices per capita, and 519th of 865 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Martinsville Post Offices.
US Post Office 77 Robb Hill Road Martinsville, IN Mailing Service, Postal Services
United States Postal Service 10 South Main Street Martinsville, IN Mailing Service, Postal Services