USPS Location
- De Soto
104 N Chestnut St, De Soto, IL 62924
618-867-2522
Bulk Mail Acceptance, Bulk Mail Account Balance, Bulk Mail New Permit, Business Reply Mail Account Balance, Business Reply Mail New Permit, General Delivery, Money Orders (Domestic), Money Orders (Inquiry), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International