Fond Du Lac Post Office
99 W 2nd St, Fond Du Lac, WI 54935
Retail Hours
| Sunday | Closed |
| Monday | 7:30 AM - 6:00 PM |
| Tuesday | 7:30 AM - 6:00 PM |
| Wednesday | 7:30 AM - 6:00 PM |
| Thursday | 7:30 AM - 6:00 PM |
| Friday | 7:30 AM - 6:00 PM |
| Saturday | 9:00 AM - 1:30 PM |
Contact Info
| Phone | 920-921-2911 |
| Fax | 920-921-0177 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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