Post office locations in 17064
| Post Office | Address | Phone | Hours |
| MOUNT GRETNA | 101 PRINCETON AVE MOUNT GRETNA, PA 17064 - 9800 | 717-964-3804 | Mon-Fri 08:00 AM - 12:45 PM 02:00 PM - 04:30 PM Sat 09:00 AM - 12:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| MOUNT GRETNA | 101 PRINCETON AVE MOUNT GRETNA, PA 17064 - 9800 | 717-964-3804 | Mon-Fri 08:00 AM - 12:45 PM 02:00 PM - 04:30 PM Sat 09:00 AM - 12:00 PM Sun Closed |