Post office locations in 11777
| Post Office | Address | Phone | Hours |
| PORT JEFFERSON | 407 E MAIN ST STE 17 PORT JEFFERSON, NY 11777 - 1887 | 631-473-1065 | Mon-Fri 10:00am - 1:30pm 2:30pm - 4:00pm Sat 9:00am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| PORT JEFFERSON | 407 E MAIN ST STE 17 PORT JEFFERSON, NY 11777 - 1887 | 631-473-1065 | Mon-Fri 10:00am - 1:30pm 2:30pm - 4:00pm Sat 9:00am - 12:00pm Sun Closed |