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690521 PINCode is located in Kollam district
| Post Offices with the same pin code as Sasthamcottah | |||
| No. | Post Office | District | Pincode |
| 1 | Karali jn | Kollam | 690521 |
| 2 | Pallisserickal | Kollam | 690521 |
| 3 | Venga | Kollam | 690521 |
| 4 | Vilanthara jn | Kollam | 690521 |