PIN code 600123 – Thiruvallur, Tamil Nadu
600123 is the PIN code of 3 post offices in Thiruvallur district, Tamil Nadu, served by the Nazarethpettai SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Nazarethpettai SOMap | Post office | Yes | Tambaram Division |
| Malayambakkam BOMap | Branch office | Yes | Tambaram Division |
| Sembarambakkam BOMap | Branch office | Yes | Tambaram Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.