U S Government--post Offices, Baileyville Freeport, IL 61032 Phone : (815) 235-4828 Business Category Post Offices Government Offices & Public Schools Post Office - Baileyville 100 S Commercial St Baileyville, IL 61007 Phone : (815) 235-4828 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (815) 235-8620