calhoun 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 |
| Hampton Revenue Office | 870-798-2588 | Calhoun |
| Southern Audit District | 501-262-7929 | Little River, Hot Spring, Calhoun, Clark, Columbia, Dallas, Garland, Hempstead, Howard, Lafayette, Miller, Montgomery, Nevada, Ouachita, Pike, Polk, Sevier |