Pincode 691312 is a 6-digit postal code serving 7 post offices in Kollam district, Kerala. Eroor SO Kollam is the Post Office for this area, located at 8.8870°N, 76.5901°E. The first digit ‘6’ identifies the Kerala postal region; the full code pinpoints the Kollam delivery zone.
| Post Office | Type |
|---|---|
| Eroor SO Kollam | Post Office |
| Ayilara BO | Branch Post Office |
| Bharatheepuram BO | Branch Post Office |
| Kadamancode BO | Branch Post Office |
| Manalil BO | Branch Post Office |
| Marthandankara BO | Branch Post Office |
| Vilakkupara 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.