BSB Tools

Free tools to validate, look up, and understand Australian BSB numbers.

BSB Validator

Check if a BSB number is valid and see full branch details instantly.

Look up multiple BSB numbers at once — paste up to 100 codes and get instant results.

Answer a few quick questions to find out whether you need a PayID or BSB for your payment.

See what each digit of a BSB number means — institution, state, and branch.

Find the SWIFT/BIC code for any Australian bank from a BSB number.

Compare two BSB numbers side-by-side to see differences in bank, location, and status.

Enter a suburb or postcode to find all bank branches and BSB numbers in that area.

Complete reference table of all Australian institution BSB prefix ranges.

Integrate BSB lookups into your own app with our free JSON API.

Browse BSB numbers that have been discontinued due to branch closures or bank mergers.