Everyday financial tools

Bank code checker

Check the format of a bank identifier, its checksum where applicable, and whether it appears in our saved reference data.

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Bank codes only. Do not enter account numbers, IBANs, card numbers or personal details.

What the checks mean

Format
Matches a code pattern. A well-formed identifier may still be unallocated or inactive.
Checksum
For US ABA routing numbers, checks the arithmetic. It does not prove a current directory entry or payment eligibility.
Directory match
Found in an available, dated snapshot. Some directories are historical or partial. No match does not prove invalidity.
Account ownership and payment eligibility
Not checked by this tool. Confirm beneficiary details and payment requirements with the bank.