ZIP Code 37378 is located in Smartt Tennessee. 37378 is entirely within Warren County. Regionally, it is located in Metro Nashville.
| ZIP Code Name | Smartt |
| Primary County | Warren County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 35.63869095,-85.83934021 |
| Adjacent ZIP Codes | |
| Region | Metro Nashville |
| Metropolitan/Micropolitan Stat Area | McMinnville, TN |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |