| Office Name | Malayambakkam B.O |
| Pincodes | 600123 |
| Area | Malayambakkam |
| 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 | Nazarethpettai S.O |
| Pincodes | 600123 |
| Area | Nazarethpettai |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Tiruvallur |
| State | Tamil Nadu |
| Telephone No. | 044-26493151 |
| Office Name | Sembarambakkam B.O |
| Pincodes | 600123 |
| Area | Sembarambakkam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tambaram |
| Postal Region | Chennai Region |
| District | Tiruvallur |
| State | Tamil Nadu |
| Telephone No. | Na |