PIN code 631604 – Kanchipuram, Tamil Nadu
631604 is the PIN code of 6 post offices in Kanchipuram district, Tamil Nadu, served by the Thenneri S.O sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Thenneri S.OMap | Post office | Yes | Kanchipuram Division |
| Echoor B.OMap | Branch office | Yes | Kanchipuram Division |
| Kunnam B.OMap | Branch office | Yes | Kanchipuram Division |
| Panruti B.OMap | Branch office | Yes | Kanchipuram Division |
| Sinnivakkam B.OMap | Branch office | Yes | Kanchipuram Division |
| Varanavasi 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.