There are lots of reasons why you may want to change the phone number on file when you opened your bank account with Guaranty Trust Bank (GTB). Perhaps you lost your phone, or you misplaced that sim and did not bother to retrieve it again. It may also be that you stopped using the number for a long period and your service provider deactivated the line, worse is if they re-issued to someone else ðð¾ââ
Whatever the reason is, if your number changes, and you bank with GTB, it is important for you to make sure that your old mobile number is no longer linked to your bank account.
So how do you update your phone number with Gtbank? Watch the video below to learn how to update your number right away.
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