Idukki District Co Op Bank branches in Munnar: Get the list of Idukki District Co Op Bank MICR codes in Munnar which are made available by Branch. Munnar MICR code is a character-recognition technology used mainly by the banking industry to ease the processing and clearance of cheques and other documents. Munnar MICR code has 9 digits first three digits are Munnar City Code, second three digits are Munnar bank code and last three are Munnar branch code.