Pin Code of Sarenga BO is 711309, HOWRAH, West Bengal February 4, 2021 by Sarkari Help Advertisements 0 (0) Information about the post office and pincode of Sarenga BO, HOWRAH, West Bengal Sarenga BO Pin Code : 711309The Pincode 711309 of Sarenga BO represents Howrah Division post office in HOWRAH revenue district which comes under the West Bengal Circleof South Bengal 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.