PIN code 621730 – Ariyalur, Tamil Nadu
621730 is the PIN code of 4 post offices in Ariyalur district, Tamil Nadu, served by the Cement Nagar Dalavoy SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Cement Nagar Dalavoy SOMap | Post office | Yes | Tiruchirapalli Division |
| Dalavoy BOMap | Branch office | Yes | Tiruchirapalli Division |
| Sannasinallur BOMap | Branch office | Yes | Tiruchirapalli Division |
| Siluppanur BOMap | Branch office | Yes | Tiruchirapalli Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.