Post Offices List in Barbour County, Alabama:
| Clayton Post Office | 15 S Midway St, Clayton, AL 36016 |
| Clio Post Office | 1207 Blue Springs St, Clio, AL 36017 |
| Eufaula Post Office | 540 E Broad St, Eufaula, AL 36027 |
| Louisville Post Office | 1968 Main St, Louisville, AL 36048 |