United States Government--post Offices, Scales Mound Freeport, IL 61032 Phone : (815) 845-2245 Business Category Post Offices Government Offices & Public Schools Post Office - Scales Mound 310 South Ave Scales Mound, IL 61075 Phone : (815) 845-2245 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (815) 845-9004