PIN code 600003 belongs to Park Town H.O (Head Post Office), located in Chennai district, Tamil Nadu. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Park Town H.O | HO | Head Post Office |
| Madras Medical College S.O | SO | Sub Post Office |
| Ripon Buildings S.O | SO | Sub Post Office |
