Chestnut Post Office
611 Chestnut St, Union, NJ 07083
Retail Hours
| Sunday | Closed |
| Monday | 8:30 AM - 1:30 PM |
| Tuesday | 8:30 AM - 1:30 PM |
| Wednesday | 8:30 AM - 1:30 PM |
| Thursday | 8:30 AM - 1:30 PM |
| Friday | 8:30 AM - 1:30 PM |
| Saturday | Closed |
Contact Info
| Phone | 908-686-2319 |
| Fax | |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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