Find post office by pincode 131102 in district Sonipat in Haryana, India using online India Pincode finder tool. There are around 6 post offices in district Sonipat, Haryana, India with similar pincode 131102. All the post offices with pincode 131102 in Sonipat district of state Haryana 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 Bajanakhurd, just click on the post office name.