Find post office by pincode 590020 in district Belgaum in Karnataka, India using online India Pincode finder tool. There are around 6 post offices in district Belgaum, Karnataka, India with similar pincode 590020. All the post offices with pincode 590020 in Belgaum district of state Karnataka 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 Alarwad, just click on the post office name.