Write a Letter to a Bank informing about the change of your address.

Hello,

Re: Change of Address
Account Number <number>

This is to inform you that, effective <moving date>, my address will change. My new address and phone number will be as stated below:

<new address>
<new City, State Zip>
<new telephone number>

I shall appreciate it highly if you kindly update my account with the above information. In case you have any queries, please do not hesitate to contact me.

Regards,