Bonnie S Mitchell (Postmaster)
bonnie.s.mitchell@usps.gov
38 S Main St
Oconomowoc, WI 53066
Oconomowoc, WI 53066
The Oconomowoc Post Office is located in the state of Wisconsin within Waukesha County. This location serves 33,830 Oconomowoc residents with a median income of $80,665. It's estimated that approximately 53,996 packages pass through this post office each year.