| Office Name | Ambattur Indl Estate S.O |
| Pincodes | 600058 |
| Area | Ambattur Indl Estate |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Tiruvallur |
| State | Tamil Nadu |
| Telephone No. | 044-26251243 |
| Office Name | Athipattu B.O |
| Pincodes | 600058 |
| Area | Athipattu |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Tiruvallur |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Ganapathipuram Cmt B.O |
| Pincodes | 600058 |
| Area | Ganapathipuram Cmt |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Kanchipuram |
| State | Tamil Nadu |
| Telephone No. | Na |