PIN code 600055 – Thiruvallur, Tamil Nadu
600055 is the PIN code of 7 post offices in Thiruvallur district, Tamil Nadu, served by the Avadi IAF SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Avadi IAF SOMap | Post office | Yes | Tambaram Division |
| CRP camp SO TiruvallurMap | Post office | No | Tambaram Division |
| Koduvalli BOMap | Branch office | Yes | Tambaram Division |
| Mittanamalli BOMap | Branch office | No | Tambaram Division |
| Morai BOMap | Branch office | Yes | Tambaram Division |
| Palavedu BOMap | Branch office | Yes | Tambaram Division |
| Pandeeswaram 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.