Pin Code of Venkolla BO is 691541, KOLLAM, Kerala June 16, 2020November 25, 2019 by Sarkari Help Advertisements 0 (0) Information about the post office and pincode of Venkolla BO, KOLLAM, Kerala Venkolla BO Pin Code : 691541The Pincode 691541 of Venkolla BO represents Quilon Division post office in KOLLAM revenue district which comes under the Kerala Circleof NA. 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.