Pin Code of Sonaipam B.O is 784102, SONITPUR, Assam June 14, 2020November 25, 2019 by Sarkari Help Advertisements 0 (0) Information about the post office and pincode of Sonaipam B.O, SONITPUR, Assam Sonaipam B.O Pin Code : 784102The Pincode 784102 of Sonaipam B.O represents Darrang Division post office in SONITPUR revenue district which comes under the Assam 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.