| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 71724 | Calion | Union County | PO Box |
| 71730 | El Dorado | Union County | Standard |
| 71731 | El Dorado | Union County | PO Box |
| 71747 | Huttig | Union County | Standard |
| 71749 | Junction City | Union County | Standard |
| 71750 | Lawson | Union County | PO Box |
| 71753 | Magnolia | Columbia County | Standard |
| 71758 | Mount Holly | Union County | Standard |
| 71759 | Norphlet | Union County | PO Box |
| 71762 | Smackover | Union County | Standard |
| 71764 | Stephens | Ouachita County | Standard |
| 71765 | Strong | Union County | Standard |