PIN code 600003 – Chennai, Tamil Nadu
600003 is the PIN code of 3 post offices in Chennai district, Tamil Nadu, served by the Madras Medical College S.O sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Madras Medical College S.OMap | Post office | No | Chennai City North Division |
| Ripon Buildings S.OMap | Post office | No | Chennai City North Division |
| Park Town H.OMap | Head office | Yes | Chennai City North Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.