Post office locations in 13863
| Post Office | Address | Phone | Hours |
| WILLET | 1300 LOWER CINCINNATUS RD WILLET, NY 13863 - 9998 | 607-863-3755 | Mon-Fri 10:00 AM - 12:00 PM 01:00 PM - 03:00 PM Sat 08:00 AM - 11:45 AM Sun Closed |
| Post Office | Address | Phone | Hours |
| WILLET | 1300 LOWER CINCINNATUS RD WILLET, NY 13863 - 9998 | 607-863-3755 | Mon-Fri 10:00 AM - 12:00 PM 01:00 PM - 03:00 PM Sat 08:00 AM - 11:45 AM Sun Closed |