United States Postal Service
Main:
(800) 275-8777
Alt: (618) 749-5252
Alt: (618) 749-5252
401 Washington St, Keyesport, Illinois, 62253
Business hours
| Monday | 7:30am to 11:30am |
| Tuesday | 7:30am to 11:30am |
| Wednesday | 7:30am to 11:30am |
| Thursday | 7:30am to 11:30am |
| Friday | 7:30am to 11:30am |
| Saturday | 7:45am to 9:30am |
| Sunday | - |
About us
Visit your local Post Office™ at 401 Washington St to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more
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