USPS Location
- Somonauk
115 N Gage St, Somonauk, IL 60552
815-498-2724
Bulk Mail Acceptance, Bulk Mail Account Balance, Bulk Mail New Permit, Burial Flags, Business Reply Mail Account Balance, Business Reply Mail New Permit, Duck Stamps, General Delivery, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Passport Acceptance, Passport Photo, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International