PIN code 690538 – Kollam, Kerala
690538 is the PIN code of 3 post offices in Kollam district, Kerala, served by the Arinallur SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Arinallur SOMap | Post office | Yes | Quilon Division |
| Arinallur South BOMap | Branch office | Yes | Quilon Division |
| Perungalam BOMap | Branch office | Yes | Quilon Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.