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 8:30am - 5:00pm Sat 8:00am - 12:00pm 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 8:30am - 5:00pm Sat 8:00am - 12:00pm Sun Closed |