United States Government--post Offices N5290 County Road A Deerbrook, WI 54424 Phone : (715) 627-7818 Business Category Post Offices Government Offices & Public Schools Post Office - Deerbrook N5290 County Road A Deerbrook, WI 54424 Phone : (715) 627-7818 Business Category Post Offices Toll-Free           (800) ASK-USPS