PIN code 691566 belongs to Pallickalkottarakara SO (Sub Post Office), located in Kollam district, Kerala. It falls under the Southern Postal Region and is served by 2 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Pallickalkottarakara SO | SO | Sub Post Office |
| Perumkulam BO | BO | Branch Post Office |
