| Post Office | Adyar (chennai) |
| Division | Chennai City South |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Chennai City Corporation |
| District | Chennai |
| State | Tamil Nadu |
| Phone | 044-24914261 |
| Sub Office | NA |
| Head Office | St.Thomas Mount H.O |
| Pincode |
600020
|
| Post Office | Ashoknagar (chennai) |
| Division | Chennai City South |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Chennai City Corporation |
| District | Chennai |
| State | Tamil Nadu |
| Phone | 044-24891771 |
| Sub Office | NA |
| Head Office | St.Thomas Mount H.O |
| Pincode |
600083
|
| Post Office | Besantnagar |
| Division | Chennai City South |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Chennai City Corporation |
| District | Chennai |
| State | Tamil Nadu |
| Phone | 044-24911609 |
| Sub Office | NA |
| Head Office | St.Thomas Mount H.O |
| Pincode |
600090
|
| Post Office | Ekkaduthangal |
| Division | Chennai City South |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Chennai City Corporation |
| District | Chennai |
| State | Tamil Nadu |
| Phone | 044-28342475 |
| Sub Office | NA |
| Head Office | St.Thomas Mount H.O |
| Pincode |
600032
|
| Post Office | Engineering College (chennai) |
| Division | Chennai City South |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Chennai City Corporation |
| District | Chennai |
| State | Tamil Nadu |
| Phone | 044-22350259 |
| Sub Office | NA |
| Head Office | St.Thomas Mount H.O |
| Pincode |
600025
|
| Post Office | Guindy Industrial Estate |
| Division | Chennai City South |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Chennai City Corporation |
| District | Chennai |
| State | Tamil Nadu |
| Phone | 044-22501581 |
| Sub Office | NA |
| Head Office | St.Thomas Mount H.O |
| Pincode |
600032
|