There are 2 Post Offices in Plymouth, Indiana, serving a population of 10,011 people in an area of 8 square miles. There is 1 Post Office per 5,005 people, and 1 Post Office per 3 square miles.
In Indiana, Plymouth is ranked 565th of 865 cities in Post Offices per capita, and 573rd of 865 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Plymouth Post Offices.
US Post Office 2020 US Highway 31 Plymouth, IN Mailing Service, Postal Services
United States Postal Service 124 West Garro Street Plymouth, IN Mailing Service, Postal Services