Robert W Martin (Postmaster)
robert.w.martin@usps.gov
104 E Enterprise Dr
Gretna, NE 68028
Gretna, NE 68028
The Gretna Post Office is located in the state of Nebraska within Sarpy County. This location serves 10,839 Gretna residents with a median income of $87,705. It's estimated that approximately 17,300 packages pass through this post office each year.