Find post office by pincode 682003 in district Ernakulam in Kerala, India using online India Pincode finder tool. There are around 1 post offices in district Ernakulam, Kerala, India with similar pincode 682003. All the post offices with pincode 682003 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 Willingdon Island, just click on the post office name.