1. US Post Office 7151 Dixie Hwy, Clarkston, MI 48346 Coordinate: 42.725407,-83.42957 Phone: (800) 275-8777
2. United States Postal Service 5799 S Main St, Clarkston, MI 48347 Coordinate: 42.735832,-83.41889 Phone: (800) 275-8777