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Kathleen A Newhalfen (Postmaster)
kathleen.a.newhalfen@usps.gov
150 W Main St
Grand Ridge, IL 61325
Grand Ridge, IL 61325
The Grand Ridge Post Office is located in the state of Illinois within La Salle County. This location serves 1,073 Grand Ridge residents with a median income of $62,768. It's estimated that approximately 1,713 packages pass through this post office each year.