Find post office by pincode 843316 in district Sitamarhi in Bihar, India using online India Pincode finder tool. There are around 16 post offices in district Sitamarhi, Bihar, India with similar pincode 843316. All the post offices with pincode 843316 in Sitamarhi 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 Belahiya, just click on the post office name.