Brett E Crouse (Postmaster)
brett.e.crouse@usps.gov
101 E Grand Ave
Carterville, IL 62918
Carterville, IL 62918
The Carterville Post Office is located in the state of Illinois within Williamson County. This location serves 9,793 Carterville residents with a median income of $45,814. It's estimated that approximately 15,631 packages pass through this post office each year.