Joseph E Martin (Postmaster)
joseph.e.martin2@usps.gov
119 SE Jackson St
Greenfield, IA 50849
Greenfield, IA 50849
The Greenfield Post Office is located in the state of Iowa within Adair County. This location serves 2,740 Greenfield residents with a median income of $46,500. It's estimated that approximately 4,373 packages pass through this post office each year.