Old Hickory zipcode
| City | Old Hickory |
| ZIP Code | 37138 |
| Type | Standard |
| State Code | TN |
| State | Tennessee |
ZIP code of Old Hickory is 37138. This place is located in Tennessee state in US. To send any postal service to Old Hickory, you must use 37138 zipcode.
The ZIP code 37138 is also used with 1 more city name of Tennessee.
- Lakewood, TN