Jacalyn K Aymar (Postmaster)
jacalyn.k.aymar@usps.gov
202 S Dumont Ave
Woonsocket, SD 57385
Woonsocket, SD 57385
The Woonsocket Post Office is located in the state of South Dakota within Sanborn County. This location serves 1,221 Woonsocket residents with a median income of $46,349. It's estimated that approximately 1,949 packages pass through this post office each year.