Mount Gretna zipcode
| City | Mount Gretna |
| ZIP Code | 17064 |
| Type | PO Box |
| State Code | PA |
| State | Pennsylvania |
ZIP code of Mount Gretna is 17064. This place is located in Pennsylvania state in US. To send any postal service to Mount Gretna, you must use 17064 zipcode.
You should avoid following 2 city names of Pennsylvania to be used with the ZIP code 17064.
- Mt Gretna, PA
- Mt Gretna Hts, PA