PinCode: 690521, Sasthamcottah Post Office, Kunnathur, Kollam, Kerala
| Post Office | Sasthamcottah |
| Post Office Status | Sub Post Office (Delivery) |
| PinCode | 690521
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| Telephone | 0476-2830230 |
| Town/Taluk | Kunnathur |
| District | Kollam |
| State | Kerala |
| Postal Division | Pathanamthitta |
| Postal Region | Trivandrum HQ |
| Postal Circle | Kerala |
List of Other Post Offices in Kunnathur, Kollam, Kerala