How can I know my account number from ATM card?
To find the account number for your ATM card you have to first find which bank card belongs to. In other words, which bank issued the card. Once you know the bank you can login to your bank account online. In your bank account you can find all ATM cards that are linked to your checking account.
Then you can compare the last 4 digits of the ATM card with the last 4-digits of linked cards. If the last 4 digits match, it means you found the right bank account. Then just click “View account and routing number” This is how you can find an account number from an ATM card.