Find post office by pincode 854203 in district Purnia in Bihar, India using online India Pincode finder tool. There are around 12 post offices in district Purnia, Bihar, India with similar pincode 854203. All the post offices with pincode 854203 in Purnia district of state Bihar are listed above. Finding post office location by pincode is very easy, simply click on any one of the post offices listed above to get its details. For example, if you want to know post office details of Barhara Kothi, just click on the post office name.