U S Government--post Offices, Eleroy Freeport, IL 61032 Phone : (815) 235-4726 Business Category Post Offices Government Offices & Public Schools Post Office - Eleroy 316 N Bridge St Eleroy, IL 61027 Phone : (815) 235-4726 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (815) 232-6772