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Ann Delancey (Postmaster)
patricia.a.keller@usps.gov
203 N Market St
Duncannon, PA 17020
Duncannon, PA 17020
The Duncannon Post Office is located in the state of Pennsylvania within Perry County. This location serves 9,047 Duncannon residents with a median income of $61,008. It's estimated that approximately 14,440 packages pass through this post office each year.