| Office name | District (Taluk) | State | Other |
|---|---|---|---|
| Nandiambakkam B.O | Tiruvallur TN | Tamil Nadu | TN Ambattur Tambaram Chennai Region Delivery |
| North Chennai Thermal PP S.O
Telephone 044-98947244 |
Tiruvallur TN | Tamil Nadu | TN Ponneri Tambaram Chennai Region Delivery |
| Subbareddypalayam B.O | Tiruvallur TN | Tamil Nadu | TN Ambattur Tambaram Chennai Region Delivery |
| Vallur B.O | Tiruvallur TN | Tamil Nadu | TN Ambattur Tambaram Chennai Region Delivery |