Us Government--postal Service, Chana Oregon, IL 61061 Phone : (815) 732-7447 Business Category Government Offices-Federal Government Offices & Public Schools Us Government--postal Service Chana Oregon, IL 61061 Phone : (815) 732-7447 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - Chana 300 Main St Unit A Chana, IL 61015 Phone : (815) 732-7447 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (815) 732-4530