7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37042 | Clarksville | 83,409 |
| 37040 | Clarksville | 60,377 |
| 37043 | Clarksville | 55,127 |
| 37191 | Woodlawn | 4,317 |
| 37052 | Cunningham | 2,183 |
| 37171 | Southside | 1,555 |
| 37142 | Palmyra | 1,516 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Montgomery County, Tennessee (US Census).