National Stock Yards Post Office
3900 Collinsville Rd, East Saint Louis, IL 62201
Retail Hours
| Sunday | Closed |
| Monday | 12:30 PM - 4:30 PM |
| Tuesday | 12:30 PM - 4:30 PM |
| Wednesday | 12:30 PM - 4:30 PM |
| Thursday | 12:30 PM - 4:30 PM |
| Friday | 12:30 PM - 4:30 PM |
| Saturday | Closed |
Contact Info
| Phone | 618-874-0458 |
| Fax | |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
Map
Leaflet | © OpenStreetMap contributors
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