Saint Marys Post Office
120 N Chestnut St, Saint Marys, OH 45885
Retail Hours
| Sunday | Closed |
| Monday | 8:00 AM - 4:30 PM |
| Tuesday | 8:00 AM - 4:30 PM |
| Wednesday | 8:00 AM - 4:30 PM |
| Thursday | 8:00 AM - 4:30 PM |
| Friday | 8:00 AM - 4:30 PM |
| Saturday | 8:00 AM - 12:00 PM |
Contact Info
| Phone | 419-394-4155 |
| Fax | 419-394-0755 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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