PIN code 631204 – Thiruvallur, Tamil Nadu
631204 is the PIN code of 9 post offices in Thiruvallur district, Tamil Nadu, served by the Kanakammachatram S.O sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Kanakammachatram S.OMap | Post office | Yes | Kanchipuram Division |
| Arcot B.OMap | Branch office | Yes | Kanchipuram Division |
| Illuppur B.OMap | Branch office | Yes | Kanchipuram Division |
| Kanchipadi B.OMap | Branch office | Yes | Kanchipuram Division |
| Muthukondapuram B.OMap | Branch office | Yes | Kanchipuram Division |
| Nabalur B.OMap | Branch office | Yes | Kanchipuram Division |
| Nedambaram B.OMap | Branch office | Yes | Kanchipuram Division |
| Ramanjeri B.OMap | Branch office | Yes | Kanchipuram Division |
| Ramapuram B.OMap | Branch office | Yes | Kanchipuram Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.