Post Offices List in Madison County, Arkansas:
| Combs Post Office | 10208 Highway 16, Combs, AR 72721 |
| Hindsville Post Office | 143 E Valley Rd, Hindsville, AR 72738 |
| Huntsville Post Office | 401 Church Ave, Huntsville, AR 72740 |
| Kingston Post Office | 5103 Highway 21, Kingston, AR 72742 |
| Pettigrew Post Office | 23170 Highway 16, Pettigrew, AR 72752 |
| Saint Paul Post Office | 190 5th St, Saint Paul, AR 72760 |
| Wesley Post Office | 1611 Highway 74, Wesley, AR 72773 |
| Witter Post Office | 16734 Highway 23, Witter, AR 72776 |