Pincode 685581 is a 6-digit postal code serving 8 post offices in Idukki district, Kerala. Karimannoor SO is the Post Office for this area, located at 9.9191°N, 76.7806°E. The first digit ‘6’ identifies the Kerala postal region; the full code pinpoints the Idukki delivery zone.
| Post Office | Type |
|---|---|
| Karimannoor SO | Post Office |
| Cheppukulam BO | Branch Post Office |
| Koduveli BO | Branch Post Office |
| Mulappuram BO | Branch Post Office |
| Neyyassery BO | Branch Post Office |
| Pannoor BO | Branch Post Office |
| Thattakuzha BO | Branch Post Office |
| Thommankuthu BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Idukki, Kerala. Map data: OpenStreetMap, CARTO.