Find post office by pincode 851213 in district Khagaria in Bihar, India using online India Pincode finder tool. There are around 9 post offices in district Khagaria, Bihar, India with similar pincode 851213. All the post offices with pincode 851213 in Khagaria 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 Badia, just click on the post office name.