Thomas J Kasallis Ii (Postmaster)
thomas.j.kasallis@usps.gov
311 E Main St
Wellington, IL 60973
Wellington, IL 60973
The Wellington Post Office is located in the state of Illinois within Iroquois County. This location serves 385 Wellington residents with a median income of $44,722. It's estimated that approximately 615 packages pass through this post office each year.