| Office Name | Iyyappanthangal S.O |
| Pincodes | 600056 |
| Area | Iyyappanthangal |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Kanchipuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Kattupakkam B.O |
| Pincodes | 600056 |
| Area | Kattupakkam |
| 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 | Poonamallee East S.O |
| Pincodes | 600056 |
| Area | Poonamallee East |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Tiruvallur |
| State | Tamil Nadu |
| Telephone No. | 044-26492994 |
| Office Name | Poonamallee S.O |
| Pincodes | 600056 |
| Area | Poonamallee |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Tiruvallur |
| State | Tamil Nadu |
| Telephone No. | 044-26272492 |
| Office Name | Senneerkuppam B.O |
| Pincodes | 600056 |
| Area | Senneerkuppam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Tiruvallur |
| State | Tamil Nadu |
| Telephone No. | Na |