Willmar Post Office
401 Trott Ave Sw, Willmar, MN 56201
Retail Hours
| Sunday | Closed |
| Monday | 7:30 AM - 5:30 PM |
| Tuesday | 7:30 AM - 5:30 PM |
| Wednesday | 7:30 AM - 5:30 PM |
| Thursday | 7:30 AM - 5:30 PM |
| Friday | 7:30 AM - 5:30 PM |
| Saturday | 8:30 AM - 1:30 PM |
Contact Info
| Phone | 320-235-2472 |
| Fax | 320-235-7942 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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