Pincode 691308 is a 6-digit postal code serving 3 post offices in Kollam district, Kerala. Thenmala SO is the Post Office for this area, located at 8.0600°N, 77.2800°E. The first digit ‘6’ identifies the Kerala postal region; the full code pinpoints the Kollam delivery zone.
| Post Office | Type |
|---|---|
| Thenmala SO | Post Office |
| Kallada Irrigation Project BO | Branch Post Office |
| Ottackal BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Kollam, Kerala. Map data: OpenStreetMap, CARTO.