Pin Code of Singan BO is 176601, UNA, Himachal Pradesh June 27, 2020November 25, 2019 by Sarkari Help Advertisements 0 (0) Information about the post office and pincode of Singan BO, UNA, Himachal Pradesh Singan BO Pin Code : 176601The Pincode 176601 of Singan BO represents Una Division post office in UNA revenue district which comes under the Himachal Pradesh 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.