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Catherine M Southard (Postmaster)
catherine.m.southard@usps.gov
62 River Rd
Great River, NY 11739
Great River, NY 11739
The Great River Post Office is located in the state of New York within Suffolk County. This location serves 1,223 Great River residents with a median income of $222,321. It's estimated that approximately 1,952 packages pass through this post office each year.
Great River Post Office Location 11739
Great River New York Local Links
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