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Frank E Holsinger (Postmaster)
frank.e.holsinger@usps.gov
106 W Hennepin St
Mark, IL 61340
Mark, IL 61340
The Mark Post Office is located in the state of Illinois within Putnam County. This location serves 292 Mark residents with a median income of $66,875. It's estimated that approximately 466 packages pass through this post office each year.