USPS Location
- New Windsor
315 Main St, New Windsor, IL 61465
309-667-2219
Bulk Mail Acceptance, Bulk Mail Account Balance, Bulk Mail New Permit, Business Reply Mail Account Balance, Business Reply Mail New Permit, Duck Stamps, General Delivery, Money Orders (Domestic), Money Orders (Inquiry), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International