4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 72150 | Sheridan | 12,476 |
| 72129 | Prattsville | 1,489 |
| 72057 | Grapevine | 1,245 |
| 72128 | Poyen | 749 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Grant County, Arkansas (US Census).