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Margaret K Hamm (Postmaster)
margaret.k.hamm@usps.gov
101 E Main St
Greenville, OH 45331
Greenville, OH 45331
The Greenville Post Office is located in the state of Ohio within Darke County. This location serves 22,930 Greenville residents with a median income of $37,242. It's estimated that approximately 36,599 packages pass through this post office each year.