Fort Dearborn Post Office
540 N Dearborn St, Chicago, IL 60610
Retail Hours
| Sunday | 10:00 AM - 2:00 PM |
| Monday | 8:30 AM - 6:00 PM |
| Tuesday | 8:30 AM - 6:00 PM |
| Wednesday | 8:30 AM - 6:00 PM |
| Thursday | 8:30 AM - 6:00 PM |
| Friday | 8:30 AM - 6:00 PM |
| Saturday | 9:00 AM - 3:00 PM |
Contact Info
| Phone | 312-644-3919 |
| Fax | 312-644-7843 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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