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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.

Bulk BSB Lookup

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

PayID or BSB?

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

BSB Decoder

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

BSB to SWIFT

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

BSB Comparison

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

Branch Finder

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

BSB Prefix Reference

Complete reference table of all Australian institution BSB prefix ranges.

Free BSB API

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

Discontinued BSBs

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

Browse

  • New South Wales
  • Victoria
  • Queensland
  • Western Australia
  • South Australia
  • Tasmania
  • ACT
  • Northern Territory

Tools

  • BSB Validator
  • Bulk Lookup
  • Free API
  • Discontinued BSBs
  • PayID or BSB?
  • BSB Decoder
  • SWIFT Codes
  • BSB Comparison
  • Branch Finder
  • BSB Prefixes

Guides

  • What is a BSB Number?
  • Find Your BSB
  • BSB vs SWIFT Code
  • PayID vs BSB
  • Wrong BSB Number?
  • Direct Debit vs Credit

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Data sourced from official sources. Last updated: 24 February 2026. Checked daily for the most up-to-date BSB information.

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