Post office locations in 13863
| Post Office | Address | Phone | Hours |
| WILLET | 1300 LOWER CINCINNATUS RD WILLET, NY 13863 - 9998 | 607-863-3755 | Mon-Fri 10:00am - 12:00pm 1:00pm - 3:00pm Sat 8:00am - 11:45am Sun Closed |
| Post Office | Address | Phone | Hours |
| WILLET | 1300 LOWER CINCINNATUS RD WILLET, NY 13863 - 9998 | 607-863-3755 | Mon-Fri 10:00am - 12:00pm 1:00pm - 3:00pm Sat 8:00am - 11:45am Sun Closed |