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 8:00am - 12:45pm 2:00pm - 4:30pm Sat 9:00am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| MOUNT GRETNA | 101 PRINCETON AVE MOUNT GRETNA, PA 17064 - 9800 | 717-964-3804 | Mon-Fri 8:00am - 12:45pm 2:00pm - 4:30pm Sat 9:00am - 12:00pm Sun Closed |