Find post office by pincode 845451 in district West Champaran in Bihar, India using online India Pincode finder tool. There are around 11 post offices in district West Champaran, Bihar, India with similar pincode 845451. All the post offices with pincode 845451 in West Champaran 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 Bargajwa, just click on the post office name.