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Karen Geunes Boyer (Postmaster)
karen.g.geunes-boyer@usps.gov
378 Glen Mills Rd
Thornton, PA 19373
Thornton, PA 19373
The Thornton Post Office is located in the state of Pennsylvania within Delaware County. This location serves 4,273 Thornton residents with a median income of $154,570. It's estimated that approximately 6,820 packages pass through this post office each year.