The Castana Post Office is located in the state of Iowa within Monona County. This location serves 456 Castana residents with a median income of $30,938. It's estimated that approximately 728 packages pass through this post office each year.
The Castana Post Office is located in the state of Iowa within Monona County. This location serves 456 Castana residents with a median income of $30,938. It's estimated that approximately 728 packages pass through this post office each year.