| Office Name | Ekkaduthangal S.O |
| Pincodes | 600032 |
| Area | Ekkaduthangal |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Chennai City South |
| Postal Region | Chennai Region |
| District | Chennai |
| State | Tamil Nadu |
| Telephone No. | 044-28342475 |
| Office Name | Guindy Industrial Estate S.O |
| Pincodes | 600032 |
| Area | Guindy Industrial Estate |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Chennai City South |
| Postal Region | Chennai Region |
| District | Chennai |
| State | Tamil Nadu |
| Telephone No. | 044-22501581 |