Karnataka Bank IFSC Code OVERSEAS MUMBAI Branch in MUMBAI can be used for internet banking for transferring funds between any two bank branches. This is IFSC Code for Karnataka Bank OVERSEAS MUMBAI Branch in MUMBAI allocated by RBI. Before using this OVERSEAS MUMBAI Branch MUMBAI Karnataka Bank IFSC Code, kindly cross check the respective bank website. This Karnataka Bank OVERSEAS MUMBAI Branch IFSC Code in MUMBAI supporting net banking has its unique IFSC code. OVERSEAS MUMBAI Branch MUMBAI Karnataka Bank IFSC Code is a unique code which helps to identity the bank location too. NOTE that only those branches of a bank which are approved by RBI can provide net transfer systems.