Post office locations in 12435
| Post Office | Address | Phone | Hours |
| GREENFIELD PARK | 7021 STATE ROUTE 52 GREENFIELD PARK, NY 12435 - 9998 | 845-647-8415 | Mon-Fri 08:00 AM - 12:00 PM Sat 09:00 AM - 12:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| GREENFIELD PARK | 7021 STATE ROUTE 52 GREENFIELD PARK, NY 12435 - 9998 | 845-647-8415 | Mon-Fri 08:00 AM - 12:00 PM Sat 09:00 AM - 12:00 PM Sun Closed |