| Locality | Post Code |
|---|---|
| Ash Flat, Izard | 72513 |
| Boswell, Izard | 72556 |
| Brockwell, Izard | 72517 |
| Calico Rock, Izard | 72519 |
| Dolph, Izard | 72528 |
| Forty Four, Izard | 72585 |
| Franklin, Izard | 72536 |
| Guion, Izard | 72540 |
| Horseshoe Bend, Izard | 72512 |
| La Crosse, Izard | 72584 |
| Melbourne, Izard | 72556 |
| Mount Pleasant, Izard | 72561 |
| Oxford, Izard | 72565 |
| Pineville, Izard | 72566 |
| Sage, Izard | 72573 |
| Violet Hill, Izard | 72584 |
| Wideman, Izard | 72585 |
| Wiseman, Izard | 72587 |
| Zion, Izard | 72556 |