Post office locations in 11771
| Post Office | Address | Phone | Hours |
| OYSTER BAY | 1 SHORE AVE OYSTER BAY, NY 11771 - 1431 | 516-922-8249 | Mon-Fri 9:00am - 5:00pm Sat 9:00am - 2:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| OYSTER BAY | 1 SHORE AVE OYSTER BAY, NY 11771 - 1431 | 516-922-8249 | Mon-Fri 9:00am - 5:00pm Sat 9:00am - 2:00pm Sun Closed |