Mobile Money Identifier also known as MMID is a 7-digit unique number that allows the user for Immediate Payment Service (IMPS) and the MMID is given by the bank upon registration. Customers can make payment using IMPS through their registered mobile phone or via SMS from the same.
The MMID number is used when a customer wants to send or receive money through the IMPS method. All the bank accounts of one particular bank have one MMID. It is unique to all the bank accounts, however the same mobile number can be linked to different MMIDs.