Sisseton Post Office
205 E Oak St Ste 103, Sisseton, SD 57262
Retail Hours
| Sunday | Closed |
| Monday | 9:15 AM - 3:45 PM |
| Tuesday | 9:15 AM - 3:45 PM |
| Wednesday | 9:15 AM - 3:45 PM |
| Thursday | 9:15 AM - 3:45 PM |
| Friday | 9:15 AM - 3:45 PM |
| Saturday | 10:00 AM - 11:30 AM |
Contact Info
| Phone | 605-698-7121 |
| Fax | 605-698-7470 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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