4 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 38603 | Ashland | 2,530 |
| 38633 | Hickory Flat | 2,212 |
| 38642 | Lamar | 2,126 |
| 38647 | Michigan City | 994 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 4 ZCTAs in Benton County, Mississippi (US Census).