Find post office by pincode 523166 in district Prakasam in Andhra Pradesh, India using online India Pincode finder tool. There are around 3 post offices in district Prakasam, Andhra Pradesh, India with similar pincode 523166. All the post offices with pincode 523166 in Prakasam 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 Gavinivaripalem, just click on the post office name.