Pincode 686539 is a 6-digit postal code serving 4 post offices in Kottayam district, Kerala. Thottakadu SO is the Post Office for this area, located at 9.5294°N, 76.6094°E. The first digit ‘6’ identifies the Kerala postal region; the full code pinpoints the Kottayam delivery zone.
| Post Office | Type |
|---|---|
| Thottakadu SO | Post Office |
| Eravuchira BO | Branch Post Office |
| Thottackad West BO | Branch Post Office |
| Umbidi BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Kottayam, Kerala. Map data: OpenStreetMap, CARTO.