United States Government--post Offices, Mcconnell Freeport, IL 61032 Phone : (815) 868-2486 Business Category Post Offices Government Offices & Public Schools Post Office - Mc Connell 218 E Main St Mc Connell, IL 61050 Phone : (815) 868-2486 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (815) 868-2120