| Index no. | Post office Name | State name | District name | |
|---|---|---|---|---|
| 1 | Adyar S.O (Chennai) | tamil-nadu | chennai | |
| 2 | Agaram S.O | tamil-nadu | chennai | |
| 3 | Aminjikarai S.O | tamil-nadu | chennai | |
| 4 | Anna Nagar East S.O | tamil-nadu | chennai | |
| 5 | Anna Nagar S.O (Chennai) | tamil-nadu | chennai | |
| 6 | Anna Nagar Western Extn S.O | tamil-nadu | chennai | |
| 7 | Anna Road H.O | tamil-nadu | chennai | |
| 8 | Arumbakkam S.O | tamil-nadu | chennai | |
| 9 | Ashoknagar S.O (Chennai) | tamil-nadu | chennai | |
| 10 | Aynavaram S.O | tamil-nadu | chennai |