Post Offices List in Dallas County, Arkansas:
| Carthage Post Office | 112 W Oak St, Carthage, AR 71725 |
| Fordyce Post Office | 801 W 4th St, Fordyce, AR 71742 |
| Ivan Post Office | 16 Dallas 126, Ivan, AR 71748 |
| Sparkman Post Office | 204 N Commerce Ave, Sparkman, AR 71763 |