Online banking Nigeria infomediaNG

Process of Changing GTBank Phone Number Online

Last updated on February 12th, 2024 at 01:43 pm


Do you know that you can change the phone number  and email attached to your GTBank now to Guaranty Trust Holding Company PLC (GTCO) right on your phone? You can do this in two major ways:

  1. Through internet banking
  2. Via ATM

For those who looking for how to get the PTA paid directly pay to their GTCO account, you can see our guide at:

Why would you want to update your GT bank phone number and E-mail?

The world has gone global. The use of the USSD code (Unstructured Supplementary Service Data) has changed the way we bank.


Your phone number is technically your bank in your hand if you want to save yourself the stress of visiting the nearest branch.

Reasons you need to change your phone number and E-mail on GT Bank Online banking

1) If you lost your previous phone number, then you’ll need to update your online mobile number for you to get an SMS update about activities in your account.

This will definitely to get a bank alert when a transaction is carried out on your account.

2) You may also want to change your bank account phone number online if your SIM card has a technical issue due to consistent removal from your device. The chip surface may be damaged.

3) If you deliberately want to change your phone number (this is peculiar to ladies. They love to change their phone number after getting married.), then you will need to update your phone number on the online banking service of GT bank.

4) If you no longer receive an alert on your phone number, then you will need to check and cross-check to probably know what the problem is.

First update your phone number, if the problem persists then you will need to visit the nearest branch.

Having said that, here is how to use GT Bank self-service to update your phone number online.

Don’t get it “twisted” there is…

Difference between Gtbank self-service and self-service portal

While the GTB self-service portal is a chatting platform through which you have the opportunity to chat with one of the GT Bank’s 24/7 customer support representatives, the GTB self-service is a new option within your online banking dashboard through which you can personally execute some tasks, which were not possible some years back.

Self Service options

In your online banking platform, you can perform 17 tasks, which include:

  • Password change
  • Add services
  • NEFT debit confirmation
  • Transaction alert activation
  • GT-Target account
  • Deactivate token
  • Reset secret question and answer
  • Request tracking
  • Reference confirmation
  • Customer information update
  • IRequire
  • Spend2Save
  • WeFund
  • Recurring bills
  • Account upgrade
  • Account switch off/on
  • Birthday opt-in opt-out

Here we will be focusing on Customer information update, which has the following options:

  • Change email address
  • Change mobile number
  • Change name or update name
  • Update address
  • Update date of birth

How to change GT Bank phone number and E-mail on Internet banking

1) Use ibank gtbank login aspx to access your online banking platform. Find it here>>>

Please pay special attention to the gtbank official login page, look at the address very well to avoid landing on a fake page, we’ve not seen one though. Checking URL very well is one of the banking security tips everyone is encouraged to imbibe.

2) Within your online dashboard, head straight to left-hand side where you can find “Self Service”

3) Clicking the self-service would reveal other option, choose “Customer information update” among the 17 options.

4) Click “New Request”

5) Depending on what you want to update, choose the right one for you. For the purpose of this guide, we’re selecting a phone number. If your choice is “Address” or “date of birth” then choose.

6) Enter your current mobile number and “new mobile number” as the information to be updated.

7) Below it is a space for you to answer your secret question. The essence of this is appropriately authenticated that you’re the true owner of the account. It’s one of the ways to safeguard your account from the hijacker.

8) Enter the token code.

9) Hit “submit”

That’s all, you just updated your phone number on GTBank internet banking platform and you’ll start getting a bank alert on your new phone number whenever a transaction is executed.

Please note that you may encounter some problems login into your GT bank internet banking if you use the wrong login url.

For instance:

GT Bank online login for The Gambia is meaning it won’t work for someone who uses the Nigerian login page.

While Ghana’s login page won’t work for residents of another country who erroneously landed on the page.

If the 737 banking option is your choice, fine it’s available as well for you 24/7.

Nigerian Login Page for GTB Online banking is:

How to update your GT Bank account details: email and phone number using ATM

  • Step 1: Locate any GTBank ATM nearest to you
  • Step 2: Insert card into ATM terminal
  • Step 3: Enter your “PIN” and press “Proceed”
  • Step 4: Select “Perform other transaction”
  • Step 5: Select “More services”
  • Step 6: Select “Update Phone Number”
  • Step 7: Enter your “Mobile number” and press “proceed”
  • Step 8: Enter “PIN” and press “Proceed”
  • Step 9: Confirm phone number displayed and press “Proceed” to update your Mobile Number.

Final thought:

Also Read:  Full List: UAE Jails Nigerians Who Have Been Funding Boko Haram

You now know how to conveniently change your mobile number on GT Bank online. Fine. You may want to ask:

What do I require to start using Internet Banking?

  • Account Number
  • Internet Access: Modem, PC,& Telephone line
  • Functional email address
  • Register for Internet Banking

How to link your BVN to GT Bank Account

If you obtained your Bank Verification Number from any other bank, you can still link it to your GtBank account number in more convenient and secure ways.

More than three methods are made available for Gt Bank customers to link their BVN with their account number:

  • Using GtBank’s Automated Teller Machine (ATM)
  • Internet Banking
  • Through GtBank BVN linker
  • Manual method by filling BVN form

First method…

How to link your BVN to your GtBank via Internet Banking

I’ll show you how to link your BVN to your Guarantee Trust Bank account through the online banking platform. I’ll also accomplish this article with steps by step screenshot on how to go about it.

Here are the steps to follow to link your BVN to your GtBank account using internet banking:

  • Login to online banking platform of GtBank
  • Click on Internet Banking
  • Clicking on internet banking will take you to internet banking home page, click on “Click here to login”
  • You’re then taken to the login page that requires you to input your User ID, and password, then login
  • The above step takes you to another page where you’ll click on “proceed to internet banking”
  • That takes you to the welcome page.
  • Click on Show Navigation

GT Bank online banking navigation bar shows the following banking options under My Account,

My Account

  1. Balance enquiry
  2. Transaction details
  3. Account statement
  4. Secure email
  5. Salary advance
  6. Investment and loans
  7. Additional savings account
  8. Dashboard
  9. Account profile maintenance
  10. GT Sweep Service
  11. I refer
  12. Account manager details
  13. SME appointment
  14. Domiciliary account opening
  15. BVN Linker
  16. SKS Account Opening

Note: You should find the BVN Linker on the 15th option under My Account

How to link your BVN to your GtBank Account using GtBank ATMThat takes you to the BVN linking form where you’re expected to enter your BVNumber and your account name.

To link your BVN to your GtBank account number via the Automated Teller Machine, visit any ATM branded “GtBank”

  1. Insert your GtBank Card in the ATM
  2. Input your digit pin (primarily your ATM password)
  3. Different options will be displayed on the screen, select ‘BVN Linking”
  4. option.
  5. Enter your 11 digits BVN number, click on “proceed”
  6. Click to validate your option
  7. Once it is validated as correct, click on “proceed”

That’s not all.

The third available option to link your BVN to GtBank is…

GtBank BVN Linking Portal

This method is simple…

  • Input your account number
  • Then select the bank where you registered for BVN
  • And insert the BVN issued to you from another bank
  • And click on submit

The fourth method is: manual method process of linking BVN to GtBank account number

This method is designed for those who are not internet-inclined. You can also link BVN to your GtBank by visiting any branches of the bank to obtain BVN linking form.

How Do I Get GTBank Security Token?

You’ve heard about people talk about banking security token? Using it is one of the best ways to perform safer online transactions.

How To GTBank Security Token

All Nigeria’s banks have this feature on their online banking platform, in this guide we’ll focus on how to apply and get GTBank security token.

The GTBank Security Token gives you optimal protection against online thefts, hackers and fraudsters. It is the key that grants you full access to carry out 3rd party transfers and payments online via the GTBank internet banking platform anywhere in the world.

What is a Bank Security Token?

A bank security token is a physical device used to gain access to online banking and perform transactions.

A bank security token is used in addition to or in place of a password. It is an electronic key to access your banking platform.

A 6-digit code is generated any time you want to perform online transactions which is used to validate and conclude the transaction.

What is a bank security token used for?

GTBank security token is used for a number of online banking services. Some of them include:

  1. You security token when transferring money from your account to another GTBank account or to other banks.
  2. When conducting Foreign Exchange transfers
  3. To generate secure codes
  4. Pay for your Cable subscription.
  5. Pay for your phone bills and internet services
  6. It is also used for processing Cash/Draft In transit
  7. Used to make FX sales
  8. Transfer to any GTBank account and other banks in Nigeria
  9. Pay for your US Visa fee
  10. Book flight tickets
  11. Transfer foreign currencies (Dollars, pounds, Euro) from your domiciliary account to anyone in the world
  12. Place a standing order on your account

Benefits of GTBank Security Token

  1. It becomes impossible for another person to carry out online transactions from your account.
  2. You can use the security token to carry out online transactions anywhere in the world.
  3. It makes sending of money to a third party easier and safer.
  4. It a128 bit data encryption to protect your account details

How to Get GTBank Security Token

  • Step 1: Visit the nearest GTBank
  • Step 2: Obtain Security Token Form from the customer support desk
  • Step 3: Complete the form
  • Step 4: Submit the completed form
  • Step 5: Wait for the documentation your token

Note: It’s not free! You’ll be charged.

How to generate a code

To generate a 6-digit code to complete your transaction, simply click the white button on the device.

Also Read:  Fact Check: Is CBN Planning To Convert Domiciliary Account to Naira?

That’s all, you can begin to use your GT Bank security token to perform online transactions.


How to use GTBank 737 Code for Banking Transactions

GTBank 737 banking method is one of the simplest and most convenient ways to bank in Nigeria. In this post, we’ll tell you how to use GTBank 737 USSD code to perform banking transactions

What is Gt Bank 737

Bank *737# is a banking innovation by Guarantee Trust Bank that makes use of USSD code which enables its customers, intending customers to transact on a mobile phone without an internet connection or data services.

Gt Bank’s 737 is built on the Unstructured Supplementary Service Data (USSD) interface and works on any type of mobile phone without an internet connection.

“With Bank 737,GTBank customers ca perform banking functions such as transfers to all banks in Nigeria, check account balance, open a GTBank account, buy airtime, pay bills, BVN linking, token code generation, cardless withdrawals and lots more from their mobile phones.”-Mr. Segun Agabaje, MD, GTBank, said when it was launched in 2016

This most convenient and easiest way of banking has been on for some time, but the innovative bank keeps bringing more options on the Bank *737#

Advantages of GTBank 737

Using GTBank 737 banking method, you’ll be able to perform the following transaction:

  1. Pay for PayTv subscription
  2. It’s quick and simple to use, with no need of going to ban it.
  3. The entire process takes about 10 seconds, it’s not time-consuming as the manual subscription.
  4. Ability to open GT Bank account, which doesn’t require any form
  5. Transfer funds to GTBank account
  6. Transfer funds to other banks
  7. Recharge Airtime for yourself
  8. Recharge Airtime for others
  9. You can buy data by dialling 737
  10. 737 makes it a convenient and simplest way to send money
  11. It’s available 24/7
  12. You can also use 737 to check your account balance.

Paying bills, and opening a GTbank account couldn’t be simpler than dialling *737#

737…More than just digits

How to pay Startimes subscription with *737#

You can easily pay your StarTimes subscriptions from anywhere you are by simply dialling the

*737*37*Amount*Decoder Number# e.g. *737*37*1200*003619754648#.

According to the GT bank, more billers (merchants) “will be added soon.”

Condition of use

  • The phone number to be recharged MUST be a number registered with GTBank
  • The money is deducted directly from your GTBank account


  • It’s quick and simple to use, no need of going to the bank to pay for your StarTimes subscription.
  • The entire process takes about 10 seconds, it’s not time-consuming as the manual subscription.

737…More than just digits

How to open GT Bank account with *737#

  • Simply dial *737*0#
  • Enter your first name, then your last name, please follow other onscreen instruction.
  • An account number will be created automatically and sent to you via SMS.

Account opening forms are NOT required for the signup process.

Once you sign up, look out for your ten-digit account number (NUBAN).

You can also use your phone number as your account number at GTBank branches, GTExpress outlets.


  • You’ll only need to visit any GTBank branches closer to you for authentication and BVN linking
  • Using *737# account opening doesn’t require any form, everything is done on your mobile phone.
  • Save on a daily, weekly or monthly basis at a yearly interest rate of 3.9%.
  • Deposit and withdraw money at GTBank branches, GTExpress locations.
  • It can be upgraded at any GT Bank branches to accommodate more transactions than N200, 000


  • Maximum deposit per transaction is N20,000
  • Maximum account balance is N200,000
  • No airtime or data needed to open an account

737…More than just digits

 How to transfer funds with GTB’s *737#

Transfer to GTBank account

Dial *737*1*Amount*NUBAN Account Number# (e.g. *737*1*5000*0066644666#) from the phone number you registered with GTBank, then follow the on-screen prompts.


Simply dial *737# to get the options:

  1. Airtime-self
  2. Airtime-others
  3. Borrow airtime
  4. Buy data
  5. Transfer funds-GTBank and so on

Select 5 and send since you’re transferring to GT Bank

Then enter amount you want to transfer, followed by the account number of the recipient

You’ll be required to authenticate the transaction with the last four digits of your card.

That’s all!

Dial *737# to transfer to other banks

Dial *737*2*Amount*NUBAN Account Number# (e.g. *737*2*1000*1234567890#) from your phone, then authenticate the transfer with the last four digits of your GTBank debit card.


Simply dial *737# to get the options:

  1. Airtime-self
  2. Airtime-others
  3. Borrow airtime
  4. Buy data
  5. Transfer funds-GTBank
  6. Transfer funds-others banks

Select 6 and send since you’re transferring to other banks

Then enter amount you want to transfer, followed by the account number of the recipient

From the list of nigerian banks, select the one your transferring to.

You’ll be required to authenticate the transaction with the last four digits of your card.


  • It’s a convenient and simplest way to send money
  • *737*transfer is available 24/7
  • The entire transaction process takes about 10 seconds
  • With *737*transfer, you can transfer to other Nigerian banks

Conditions of use

  • Daily transaction limit of N200,000
  • Works with phone numbers registered with GTBank
  • It’s workability depends on your phone network signal
  • Money is deducted directly from your GTBank account
  • Transaction requires the last four digit of your Naira MasterCard (Debit card)

737…More than just digits

How To Use *737# To Load Airtime on your phone

How it works:

Self top-up airtime

Simply dial *737*amount# on your phone (e.g. *737*1000#) to buy airtime.

Also Read:  List of Accredited MTN Offices For National ID Card Registration in Nigeria


Simply dial *737# to get the options:

  1. Airtime-self
  2. Airtime-others
  3. Borrow airtime
  4. Buy data
  5. Transfer funds-GTBank
  6. Transfer funds-others banks

Select 1 since you’re recharging your own line

Type the amount, and send.

Your account balance will be credited right away in as much the amount to be recharged doesn’t exceed your account balance.

Buying for a friend

To send airtime to a third party or to a friend, simply dial *737*Amount*Recipient’s number#

(e.g. *737*1000*08023456789#)


Simply dial *737# to get the options:

  1. Airtime-self
  2. Airtime-others
  3. Borrow airtime
  4. Buy data
  5. Transfer funds-GTBank
  6. Transfer funds-others banks

Select 2 and send, follow the onscreen instruction to recharge third-party line.

This time, the last four digits of your credit card will be required.

That’s all!

How To Top-Up Data On Your Phone

How to top-up your data with *737#

Simply dial *737*4# on your phone and follow the on-screen prompt.

Simply dial *737# to get the options:

  1. Airtime-self
  2. Airtime-others
  3. Borrow airtime
  4. Buy data
  5. Transfer funds-GTBank
  6. Transfer funds-others banks

Select 4 to top-up your own data

The on-screen options: Purchase data for:

  1. Self
  2. 3rd party

Select 1 and follow other on-screen actions to select the data bundle you want.

If it’s third party, then select 2 and follow the onscreen instructions.


  • The phone number where the purchase is made from MUST be a number registered with GTBank.
  • The service is available to Glo, MTN, Airtel and Etisalat subscribers
  • The money is deducted directly from your GTBank account
  • Daily recharge limit is N10,000


  • It’s quick, simple and convenient to use. Airtime is loaded as soon as the process is completed
  • Airtime can be bought any time. You can run out of airtime in as much you have sufficient money in your balance.
  • The entire process takes about 10seconds

737…More than just digits

 How To Check Balance 

To check for balances on any off your accounts, all you need to do is simply dial; *737*6*1# on your mobile phone and follow the on-screen prompts.


Simply dial *737# to get the options:

  1. Airtime-self
  2. Airtime-others
  3. Borrow airtime
  4. Buy data
  5. Transfer funds-GTBank
  6. Transfer funds-others banks
  7. Account balance

Enter the last four digits of your debit card.

You account balance will be displayed on your screen


  • Fast, convenient and simple
  • No need to enter the banking hall or fill any forms
  • Check your account balances anywhere, anytime


Online real-time display of balances on all your accounts

 How to generate One Time Password (OTP) with USSD Code

You can now generate an OTP by dialing *737*7# to make a quick transaction on-the-go without your banking token.

Conditions of use

  • To receive a one-time token for transactions on internet banking only
  • Can validate transactions of up to N200,000
  • Valid for 60 seconds
  • Requires the last six (6) digits of your Naira MasterCard


  • No need for a hardware token in case you forgot your token at the office or at home
  • It can be used to generate OTP anywhere, anytime
  • It’s very easy to use

Dial *737*6# to make enquiries

Simply dial *737*6# to make enquiries on the following:

  1. To make account balances enquiry dial *737*6*1#
  2. To make enquiries on loan balances, simply dial *737*6*2#
  3. Simply *737*6*3# to make Card status enquiry
  4. Cheque book status enquiry dial *737*6*4#
  5. For internet banking login details simply dial *737*6*5#

 Dial 8737*6*5# to retrieve Internet Banking Login Details

You can now retrieve your mobile and/or internet banking details without having to come to the banking hall.

Simply dial *737*6*5# and follow the on-screen prompt.


  • No need to fill any forms
  • No need to enter the banking hall
  • Go to or download the app to login
  • Start using internet and/or mobile banking immediately

How to generate GTBank USSD token on your phone number

Guaranty Trust Bank Plc has an alternative to its hardware token. It is called  GTBank USSD token code. With the GTBank USSD token you are able to carry out transaction on internet banking.

What is USSD?

USSD is Unstructured Supplementary Service Data. USSD is  a Global System for Mobile(GSM) communication technology that is used to send text between a mobile phone and an application program in the network.
The essence of the GTBank USSD token is to simplify the way we generate token code whenever we want to complete third-party transfers by dialling *737*7# on the phone number registered on your bank account.
This does not mean you can no longer use your original hardware token, but in an event of not having your GTBank hardware within your reach, you simply use the method to carry out third party transactions.

How to use GTBank USSD token

  • Dial *737*7# on the phone number linked to your account.
  • Enter your NUBAN
What is NUBAN
NUBAN is the Nigeria Uniform Bank Account Number. NUBAN is a 10-digit Bank Account numbering system which is simpler to use than traditional longer account numbering structures and is in line with the requirements of the West Africa Monetary Institute, for the economic integration of ECOWAS countries.
Enter the last 6 digits of your GTBank Naira Mastercard.
The token code will be displayed on your phone which can be used to complete your transaction.
The generated token code expires in 60 seconds.


  • Opeyemi Quadri

    Ope is a finance writer and researcher with 10+ years of experience in content creation. His interests cut across decentralized finance, investment, foreign exchange, government policies and politics.

9 thoughts on “Process of Changing GTBank Phone Number Online”

    1. Actionable Info

      Hi Afolakemi,

      You can link your BVN to your bank account by dialling *737*20*BVN# on your registered mobile number associated with your bank account.

    1. Hello Musa, kindly go to one of the GTB branches in your state, and ask for account update form to change your phone number if the online option isn’t working for you.

Leave a Comment

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Scroll to Top