Greenlawn Post Office
55 Broadway, Greenlawn, NY 11740
Retail Hours
| Sunday | Closed |
| Monday | 9:00 AM - 5:00 PM |
| Tuesday | 9:00 AM - 5:00 PM |
| Wednesday | 9:00 AM - 5:00 PM |
| Thursday | 9:00 AM - 5:00 PM |
| Friday | 9:00 AM - 5:00 PM |
| Saturday | 9:00 AM - 1:00 PM |
Contact Info
| Phone | 631-261-6437 |
| Fax | 631-262-1860 |
| TTY | 877-889-2457 |
| Toll Free | 1-800-275-8777 (1-800-Ask-USPS®) |
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