Bernadette Dillon (Postmaster)
bernadette.t.dillon@usps.gov
313 Main St
Thornton, IA 50479
Thornton, IA 50479
The Thornton Post Office is located in the state of Iowa within Cerro Gordo County. This location serves 684 Thornton residents with a median income of $41,466. It's estimated that approximately 1,092 packages pass through this post office each year.