There are 2 Post Offices in Black River Falls, Wisconsin, serving a population of 3,537 people in an area of 5 square miles. There is 1 Post Office per 1,768 people, and 1 Post Office per 2 square miles.
In Wisconsin, Black River Falls is ranked 517th of 922 cities in Post Offices per capita, and 477th of 922 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Black River Falls Post Offices.
United States Postal Service 109 Main Street Black River Falls, WI
United States Postal Service 108 Fillmore Street Black River Falls, WI Mailbox Rental, Mailing Service, Postal Services