Find post office by pincode 670581 in district Kannur in Kerala, India using online India Pincode finder tool. There are around 8 post offices in district Kannur, Kerala, India with similar pincode 670581. All the post offices with pincode 670581 in Kannur 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 Chepparapadava, just click on the post office name.