Find Pin codes of all Post Offices in Kottayam, Kerala. Kottayam Collectorate Pin code: 686002, Changanacherry Kottayam pin code: 686101, Kottayam Thirunakkara pin code: 686001, Kottayam Nagampadam pin code: 686001, Ettumanoor Kottayam pin code: 686631, Ettumanur Junction: 686631, Changanacherry Industrialnagar...