USPS Location
- Smithton
512 S Main St, Smithton, IL 62285
618-234-8680
Business Reply Mail Account Balance, Business Reply Mail New Permit, Duck Stamps, General Delivery, Global Express Guaranteed, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Packaged Stamps, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International