| Office name | District (Taluk) | State | Other |
|---|---|---|---|
| Alwarthirunagar S.O
Telephone 044-24865000 |
Tiruvallur TN | Tamil Nadu | TN NA Chennai City South Chennai Region Delivery |
| Valasaravakkam S.O
Telephone 044-24766625 |
Tiruvallur TN | Tamil Nadu | TN NA Chennai City South Chennai Region Non-Delivery |