U S Government--postal Service, Brussels Golden Eagle, IL 62036 Phone : (618) 883-2575 Business Category Government Offices & Public Schools Post Office - Brussels 107 Main St Brussels, IL 62013 Phone : (618) 883-2575 Post Office - Brussels Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--post Offices Brussels, IL 62013 Phone : (618) 883-2575 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools