8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 72472 | Trumann | 9,032 |
| 72432 | Harrisburg | 6,629 |
| 72365 | Marked Tree | 2,580 |
| 72354 | Lepanto | 2,255 |
| 72386 | Tyronza | 1,551 |
| 72479 | Weiner | 1,064 |
| 72429 | Fisher | 231 |
| 72377 | Rivervale | 31 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Poinsett County, Arkansas (US Census).