BSB 402-603 is assigned to Colonial State Bank, serving the St Marys area in New South Wales. This BSB code identifies the St Marys branch, located at Shop 2 72 Queen Street, St Marys NSW 2760. This branch supports Paper (Cheque), Electronic (Direct Entry), and High Value (RTGS) payment methods. BSB (Bank-State-Branch) numbers are six-digit codes used by Australian financial institutions to identify individual branches. You will need this BSB when setting up direct debits, salary deposits, or transferring money between Australian bank accounts. This BSB number is currently active and was last verified against official sources.
Branch Details
| BSB Number | 402-603 |
| Institution | Colonial State Bank (CST) |
| SWIFT Code | CTBAAU2S |
| Branch Name | St Marys |
| Address | Shop 2 72 Queen Street |
| Suburb | St Marys |
| State | New South Wales (NSW) |
| Postcode | 2760 |
| Payment Flags | Paper: ✓ Electronic: ✓ High Value: ✓ |
Payment Capabilities
Paper (Cheque)
This branch supports paper-based clearing, including cheque processing and bank cheque issuance.
Electronic (Direct Entry)
This branch supports electronic direct entry transactions, including direct debits, salary payments, and BPAY.
High Value (RTGS)
This branch supports high-value real-time gross settlement (RTGS) transfers for large or time-critical payments.
Change History
Changes detected from official sources, checked daily.
24 Feb 2026 — First recorded in BSBFinder directory
Tracked as part of Colonial State Bank (CST), St Marys NSW 2760.
BSBFinder checks for updates daily. Any future changes to this BSB — address moves, payment capability updates, or branch closures — will appear here.
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