Find post office by pincode 682312 in district Ernakulam in Kerala, India using online India Pincode finder tool. There are around 3 post offices in district Ernakulam, Kerala, India with similar pincode 682312. All the post offices with pincode 682312 in Ernakulam district of state Kerala 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 Chottanikkara, just click on the post office name.