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Christine M Reilly (Postmaster)
christine.m.reilly@usps.gov
115 N Main St
Grant Park, IL 60940
Grant Park, IL 60940
The Grant Park Post Office is located in the state of Illinois within Kankakee County. This location serves 3,369 Grant Park residents with a median income of $66,696. It's estimated that approximately 5,377 packages pass through this post office each year.