Yes, you can change your phone number online at most banks
Most banks let you update your phone number through their website or mobile app without calling or visiting a branch. The process takes a few minutes and takes effect almost when ready. You log in, find the account settings or profile section, enter your new number, and confirm it — usually by text message or email to verify you own that number.
The exact steps depend on your bank. Some banks ask you to verify the new number before it becomes active; others set up it right away and send a confirmation text to both your old and new numbers. A few banks still require you to call or visit in person, but this is becoming less common.
Changing your phone number matters because your bank uses it for two-factor authentication (the code they text you when you log in from a new device), fraud alerts, and account recovery if you forget your password. If your number is outdated, you could get locked out of your account or miss a fraud alert.
Key Takeaways
- Most banks let you change your phone number in their online banking portal or mobile app under account settings or profile information.
- Your bank will usually send a verification code to your new number to confirm the change before it takes effect.
- The change typically takes effect within minutes, but some banks may take a few hours to update their systems.
- If you cannot change your number online, call your bank's customer service line — they can update it over the phone with identity verification.
- Update your phone number as soon as you change it in real life, because your bank uses it for security alerts and account recovery.
How to change your number through online banking
Log into your bank's website or app and look for a section called "Account Settings," "Profile," "Personal Information," or "Contact Information." The location varies by bank. Some banks put it in a menu under your name or initials in the top corner; others have it under a gear icon or "Manage Account" button.
Once you find the right section, look for a field labeled "Phone Number" or "Mobile Number." Click or tap to edit it, delete your old number, and type in your new one. Then click "Save" or "Update." Your bank will usually send a verification code to your new number by text message. Enter that code into the app or website to confirm the change.
After you confirm, your new number is active. Your bank may send a confirmation message to both your old and new numbers saying the change went through. Keep that confirmation in case you need proof later.
What happens if your bank does not offer online changes
Some smaller banks and credit unions do not have the option to change your phone number online. If you cannot find the setting in your account, call your bank's customer service number — it is on the back of your debit card or on your bank's website.
When you call, have your account number and a form of ID ready. The bank will ask you to verify your identity by answering security questions or providing information from your account. Once they confirm who you are, they can update your number over the phone in seconds. Ask them to send you a confirmation email or text so you have a record.
Some banks also let you change your number by visiting a branch in person. This is slower but useful if you have other account questions at the same time.
Timing and when the change takes effect
If you verify your new number when ready after entering it, the change usually takes effect within minutes. Your bank's systems update quickly, and you should be able to use the new number for two-factor authentication codes right away.
If you do not verify the code right away, some banks will hold the change in a pending state for 24 to 48 hours. This is a security measure — it gives you time to cancel the change if someone else tried to update your account without permission. Once the verification period passes, the new number becomes active.
A small number of banks take longer. If your bank processes changes in batches, it might take a few hours or until the next business day for your new number to work everywhere in their system. If you are unsure, ask your bank how long the change takes when you make it.
What to do if you change your number before updating your bank
If you already switched to a new phone number and did not update your bank first, you have two options. The first is to log into your bank's website or app from a computer or tablet and change it yourself — you do not need the old number to do this, only your login credentials.
The second option is to call your bank from any phone and tell them you changed your number. They will verify your identity using security questions or information from your account, then update it for you. This takes a few minutes and is the fastest way if you cannot access your online banking.
Do this as soon as possible. If your bank tries to send you a two-factor authentication code to your old number and you no longer have that phone, you could get locked out of your account. If that happens, call your bank and explain the situation — they can reset your authentication settings and let you back in.
Updating your number on multiple accounts at the same bank
If you have more than one account at the same bank — a checking account, savings account, or credit card — you usually only need to change your phone number once. Most banks link all your accounts to one profile, so updating the number in your profile updates it for every account.
Check by logging into each account after you make the change. If all of them show your new number in their settings, you are done. If one account still shows your old number, call your bank and ask them to sync your accounts or update that specific account.
Security considerations when changing your phone number
When you change your phone number, your bank uses it to send you two-factor authentication codes. Make sure you enter the new number correctly — if you mistype it, your bank might send codes to the wrong phone, and you could get locked out.
If you are changing your number because you lost your old phone or it was stolen, tell your bank. They may flag your account for extra monitoring or ask you to verify your identity the next time you log in. This protects you from someone else accessing your account with your old number.
After you update your number, check your account settings a few days later to make sure the change stuck. Banks rarely lose this information, but it is worth confirming that your new number is still there and active.
Frequently Asked Questions
Do I need my old phone number to change it online?
No. You only need to log into your bank account with your username and password. Your bank does not ask for your old number — they just need you to enter the new one and verify it by text or email.
What if I do not have access to my new phone number yet?
Wait until you have the new phone and can receive text messages on it. You cannot complete the verification step without it. If you need to change your number urgently, call your bank and they can update it for you after verifying your identity.
Will changing my phone number affect my online banking login?
No. Your phone number is separate from your username and password. Changing it does not affect how you log in — only the two-factor codes your bank sends you when you log in from a new device.
How long does it take for my bank to use my new number for fraud alerts?
Usually a few minutes to a few hours. Once you verify the new number, your bank can send fraud alerts and two-factor codes to it right away. If your bank processes changes in batches, it might take until the next business day for all their systems to catch up.
Can I change my phone number if I am locked out of my account?
Yes. Call your bank's customer service number and explain that you are locked out. They will verify your identity using security questions or account information, then update your phone number and help you regain access to your account.