Find post office by pincode 503309 in district Nizamabad in Telangana, India using online India Pincode finder tool. There are around 12 post offices in district Nizamabad, Telangana, India with similar pincode 503309. All the post offices with pincode 503309 in Nizamabad district of state Telangana 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 Dongli, just click on the post office name.