Pin Code of Tetrahi BO is 854102, PURNIA, Bihar June 26, 2020November 25, 2019 by Sarkari Help Advertisements 0 (0) Information about the post office and pincode of Tetrahi BO, PURNIA, Bihar Tetrahi BO Pin Code : 854102The Pincode 854102 of Tetrahi BO represents Purnea Division post office in PURNIA revenue district which comes under the Bihar Circleof Muzaffarpur 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.