Find post office by pincode 517520 in district Chittoor in Andhra Pradesh, India using online India Pincode finder tool. There are around 12 post offices in district Chittoor, Andhra Pradesh, India with similar pincode 517520. All the post offices with pincode 517520 in Chittoor district of state Andhra Pradesh 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 Athur, just click on the post office name.