PIN code 600006 belongs to Greams Road S.O (Sub Post Office), located in Chennai district, Tamil Nadu. It falls under the Southern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Greams Road S.O | SO | Sub Post Office |
| Teynampet West S.O | SO | Sub Post Office |
| Shastri Bhavan S.O | SO | Sub Post Office |
| DPI S.O | SO | Sub Post Office |
