Post office locations in 12833
| Post Office | Address | Phone | Hours |
| GREENFIELD CENTER | 20 WILTON RD GREENFIELD CENTER, NY 12833 - 9998 | 518-893-7171 | Mon-Fri 8:00am - 11:30am 1:00pm - 4:30pm Sat 9:00am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| GREENFIELD CENTER | 20 WILTON RD GREENFIELD CENTER, NY 12833 - 9998 | 518-893-7171 | Mon-Fri 8:00am - 11:30am 1:00pm - 4:30pm Sat 9:00am - 12:00pm Sun Closed |