Pin Code of Mannanam SO is 686561, KOTTAYAM, Kerala June 26, 2020November 25, 2019 by Sarkari Help Advertisements 0 (0) Information about the post office and pincode of Mannanam SO, KOTTAYAM, Kerala Mannanam SO Pin Code : 686561The Pincode 686561 of Mannanam SO represents Kottayam Division post office in KOTTAYAM revenue district which comes under the Kerala Circleof Kochi Region. How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.