what is  MMID full form?    

MMD stands for Mobile Money Identifier. 

What is MMID? 

 This is a uniques code for every account If you want to send the fund to the other person's account then you need his or her MMID which is a seven-digit code the bank generates for every account. 

MMID-MMD stands for Mobile Money Identifier.

 You can get this no from the bank if you need this you have sent the message the bank will send to you via your contact number which is registered while you have entered opening an account.