PIN code 691578 – Kollam, Kerala
691578 is the PIN code of 4 post offices in Kollam district, Kerala, served by the Kalluvathukkal SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Kalluvathukkal SOMap | Post office | Yes | Quilon Division |
| Chirakkara BOMap | Branch office | Yes | Quilon Division |
| Chirakkarathazham BOMap | Branch office | Yes | Quilon Division |
| Vilavoorkonam 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.