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691309 PINCode is located in Kollam district
| Post Offices with the same pin code as Kalthuruthy | |||
| No. | Post Office | District | Pincode |
| 1 | Ambanad | Kollam | 691309 |
| 2 | Aryankavu | Kollam | 691309 |
| 3 | Edapalayam | Kollam | 691309 |
| 4 | Rosemala | Kollam | 691309 |
| 5 | Venture | Kollam | 691309 |