| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Perinad, Kollam | 691014, 691501, 691511, 691601 |
| Postal/ZIP Codes in Perungalam, Kollam | 690559 |
| Postal/ZIP Codes in Sakthikulangara, Kollam | 691581 |
| Postal/ZIP Codes in Thazhuthala, Kollam | 691589, 691571, 691576 |
| Postal/ZIP Codes in Thrikkadavoor, Kollam | 691601 |
| Postal/ZIP Codes in Thrikkaruva, Kollam | 691601, 691602 |
| Postal/ZIP Codes in Thrikkovilvattom, Kollam | 691005, 691020, 691576, 691577 |
| Postal/ZIP Codes in Vadakkevila, Kollam | 691020, 691010, 691021 |