BAY BANK Routing Number in GREEN BAY, WI
1 BAY BANK routing number found in GREEN BAY, WI. Click any routing number to view full details — for ACH transfers, direct deposits, and wire payments.
BAY BANK — GREEN BAY, WI — Select Routing Number
1 routing number
BAY BANK Routing Number in GREEN BAY, WI
BAY BANK has 1 routing number registered in GREEN BAY, WI with the American Bankers Association (ABA) and the Federal Reserve E-Payments Routing Directory. Each 9-digit routing number uniquely identifies BAY BANK's GREEN BAY processing location within the US payment network. BankZop sources all routing data directly from official ABA records — click any routing number above to view its full details and copy it instantly.
The BAY BANK routing number for GREEN BAY, WI is used for setting up direct deposits, authorising ACH payments, initiating domestic wire transfers, and check processing. Always use the specific routing number assigned to the location where your account was opened.
What to Do After Finding the BAY BANK GREEN BAY Routing Number
- Direct deposit: Provide the 9-digit routing number along with your account number to your employer's payroll system, the IRS (for tax refunds), or any government benefit agency.
- ACH bill payment: Enter the routing number when setting up electronic payments to utilities, insurance providers, or subscription services that debit your BAY BANK account.
- Wire transfer: Confirm with BAY BANK's wire department whether this ABA routing number applies to wire transfers — many banks use a different wire routing number.
- Check verification: Cross-check the routing number printed at the bottom-left of your BAY BANK check against the number shown here to confirm accuracy.
Why BAY BANK May Have This Routing Number in GREEN BAY
BAY BANK uses a single routing number for GREEN BAY, WI — assigned by the ABA to identify this specific BAY BANK processing location within the Federal Reserve's payment system. This 9-digit code is what routes ACH debits, credits, and wire transfers to the correct BAY BANK office for settlement.
ACH vs Wire Transfer — Which Routing Number to Use
This is one of the most common questions about BAY BANK GREEN BAY routing numbers:
| Transfer Type | Routing Number | Settlement |
|---|---|---|
| Direct Deposit / ACH | ABA routing number (this page) | 1–2 business days (same day for Same Day ACH) |
| Domestic Wire Transfer | Confirm with BAY BANK directly — may differ | Same business day (real-time via Fedwire) |
| International Wire | SWIFT/BIC code required — find it here | 1–5 business days |
About BAY BANK in GREEN BAY, WI
BAY BANK serves customers in GREEN BAY, WI through its local banking network. The routing number listed on this page are the ABA-registered identifier for BAY BANK's GREEN BAY operations — used by the Federal Reserve's payment infrastructure to route ACH and wire transactions to the correct financial institution.
To browse BAY BANK routing numbers in other cities in WI, visit the BAY BANK WI directory. For all BAY BANK states, see the BAY BANK routing number directory. For international transfers, use the SWIFT Code Lookup. For Indian bank transfers, use the IFSC Code Lookup.
Data sourced from the American Bankers Association (ABA) and the Federal Reserve E-Payments Routing Directory. Last reviewed Jun 2026 by BankZop Editorial Team.
Frequently Asked Questions — BAY BANK Routing Numbers in GREEN BAY
- Direct deposit — payroll, IRS tax refunds, Social Security, VA benefits
- ACH transfers — online bill payments, electronic debits, bank transfers
- Domestic wire transfers — same-day settlement via Fedwire (may use a separate wire routing number)
- Check payments — printed at the bottom-left of every BAY BANK personal check
- ACH debit authorisations — recurring payments to utilities, subscriptions, insurance
