PIN code 603003 – Chengalpattu, Tamil Nadu
603003 is the PIN code of 4 post offices in Chengalpattu district, Tamil Nadu, served by the Vallam SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Vallam SOMap | Post office | Yes | Chengalpattu Division |
| Meleripakkam BOMap | Branch office | Yes | Chengalpattu Division |
| Nenmeli BOMap | Branch office | Yes | Chengalpattu Division |
| Tiruvadisoolam BOMap | Branch office | Yes | Chengalpattu Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.