Cedar Knolls Post Office
2 Mountain Ave, Cedar Knolls, NJ 07927
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 | 9:00 AM - 1:00 PM |
Contact Info
| Phone | 973-539-2312 |
| Fax | 650-577-6045 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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