Pincode 691601 is a 6-digit postal code serving 8 post offices in Kollam district, Kerala. Perinad SO is the Post Office for this area, located at 8.9300°N, 76.6000°E. The first digit ‘6’ identifies the Kerala postal region; the full code pinpoints the Kollam delivery zone.
| Post Office | Type |
|---|---|
| Perinad SO | Post Office |
| Chemmakkad BO | Branch Post Office |
| Inchavila BO | Branch Post Office |
| Kureepuzha BO | Branch Post Office |
| Mathilil BO | Branch Post Office |
| Panayam BO | Branch Post Office |
| Pattamthuruth BO | Branch Post Office |
| Perumon 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.