1. United States Postal Service 48660 Pontiac Trl, Wixom, MI 48393 Coordinate: 42.5253,-83.52969 Phone: (800) 275-8777
2. US Post Office 49900 Grand River Ave, Wixom, MI 48393 Coordinate: 42.49535,-83.5408 Phone: (800) 275-8777