If you request a new PIN via post, it typically arrives in a separate, secure letter within 5 to 7 working days . Changing or Unlocking Your PIN
The quickest way to recover a forgotten PIN is through the Santander Mobile Banking App . Log in to the app. santander forgot pin
Do you need help or finding your Personal ID to get started? Activating your new card - Santander UK If you request a new PIN via post,
What to Do if You’ve Forgotten Your Santander PIN Forgetting your PIN can be a major inconvenience, especially when you need to make a payment or withdraw cash. Fortunately, Santander offers several quick and secure ways to recover or reset your PIN without waiting for a new one to arrive in the post. How to View Your PIN Instantly Do you need help or finding your Personal ID to get started
If you know your PIN but want to change it to something more memorable, or if you have accidentally locked it by entering the wrong code too many times:
Verify your identity with a One-Time Passcode (OTP) sent to your registered mobile. Your new PIN will typically arrive by post within 3–5 working days. Unblocking Your PIN