PIN code 602001 belongs to Tiruvallur H.O (Head Post Office), located in Thiruvallur district, Tamil Nadu. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Tiruvallur H.O | HO | Head Post Office |
| Nggo Colony Tiruvallur S.O | SO | Sub Post Office |
| Combined Court S.O | SO | Sub Post Office |
