union County Offices
| Office | Phone | Counties Served |
|---|---|---|
| Camden Driver Control Office | 870-836-4581 | Ashley, Bradley, Calhoun, Drew, Ouachita, Union |
| El Dorado Child Support Office | 870-862-9785 | Calhoun, Columbia, Dallas, Union |
| El Dorado Revenue Office | 870-863-3862 | Union |
| Smackover Revenue Office | 870-725-3334 | Union |