Post office locations in 12520
| Post Office | Address | Phone | Hours |
| CORNWALL ON HUDSON | 237 HUDSON ST STE 1 CORNWALL ON HUDSON, NY 12520 - 9998 | 845-534-9783 | Mon-Fri 08:30 AM - 05:00 PM Sat 08:00 AM - 12:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| CORNWALL ON HUDSON | 237 HUDSON ST STE 1 CORNWALL ON HUDSON, NY 12520 - 9998 | 845-534-9783 | Mon-Fri 08:30 AM - 05:00 PM Sat 08:00 AM - 12:00 PM Sun Closed |