PIN code 691503 – Kollam, Kerala
691503 is the PIN code of 4 post offices in Kollam district, Kerala, served by the Mulavana SO sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Mulavana SOMap | Post office | Yes | Quilon Division |
| Kumbalam BOMap | Branch office | Yes | Quilon Division |
| Mukkoodu BOMap | Branch office | Yes | Quilon Division |
| Padappakara 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.