WESTERN ALLIANCE BANK Routing Number 122105980 — PHOENIX, AZ

The ABA routing number 122105980 belongs to WESTERN ALLIANCE BANK in PHOENIX, AZ. Use for ACH transfers, direct deposits, and check payments.

Updated Jun 2026 WESTERN ALLIANCE BANK PHOENIX ABA Verified
WESTERN A…
AZ
PHOENIX
122105980
Result

WESTERN ALLIANCE BANK

PHOENIX, AZ 85004

ABA Verified

ABA Routing Number

122105980

Routing Number Breakdown

1221 Fed Symbol
·
0598 Institution
·
0 Check Digit
State AZ
ZIP Code 85004
Phone (602) 346-7459
Address STE. 1400, PHOENIX, AZ 85004

About Routing Number 122105980 — WESTERN ALLIANCE BANK

Routing number 122105980 is the official 9-digit ABA routing number registered to WESTERN ALLIANCE BANK at STE. 1400, PHOENIX, AZ 85004. It is registered with the American Bankers Association and the Federal Reserve E-Payments Routing Directory. This number is used exclusively within the US domestic payment system — for ACH transfers, direct deposits, check processing, and domestic wire transfers routed through Fedwire. It cannot be used for international transfers, which require a SWIFT/BIC code.

How to Read Routing Number 122105980

The 9-digit number 122105980 is structured in three segments: 1221 is the Federal Reserve routing symbol — the first two digits identify the Federal Reserve district and the next two identify the specific Federal Reserve processing office handling WESTERN ALLIANCE BANK's transactions. 0598 is the ABA institution identifier — four digits assigned by the American Bankers Association uniquely to WESTERN ALLIANCE BANK. 0 is the check digit — a single digit calculated from the first eight digits using a weighted sum formula (3-7-1 multipliers). Payment processing systems run this calculation in real time to catch routing number entry errors before any funds move.

ACH, Direct Deposit, and Wire — When to Use 122105980

  • Direct Deposit — Payroll and Government Payments: Provide routing number 122105980 and your account number to set up payroll direct deposit, IRS tax refunds, Social Security, VA benefits, or any recurring government payment.
  • ACH Transfers — Bill Payments and Bank Transfers: Enter 122105980 when authorising electronic debits or credits — utility bills, insurance premiums, subscription services, or bank-to-bank transfers via NACHA's ACH network.
  • Check Payments: This routing number is printed at the bottom-left of every WESTERN ALLIANCE BANK personal check in PHOENIX — the first 9-digit sequence in the MICR line.
  • Domestic Wire Transfers via Fedwire: Confirm with WESTERN ALLIANCE BANK whether 122105980 applies to wires — many banks use a separate wire routing number. Fedwire settles same-day in real time.

What 122105980 Cannot Be Used For

  • International wire transfers — require a SWIFT/BIC code. Find WESTERN ALLIANCE BANK's SWIFT code at the SWIFT Code Lookup.
  • Indian bank transfers (NEFT, RTGS, IMPS, UPI) — require an IFSC code. Use the IFSC Code Lookup.
  • Cheque clearing in India — requires a MICR code. Use the MICR Code Lookup.

How to Verify Routing Number 122105980 Is Correct

Before using 122105980 for a large ACH or wire transfer, verify it three ways: (1) Check the bottom-left of a WESTERN ALLIANCE BANK personal check — the routing number must match. (2) Log into WESTERN ALLIANCE BANK online banking under Account Details. (3) Cross-check against the Federal Reserve routing directory. BankZop sources all routing data from official ABA and Federal Reserve records as of Jun 2026.

Browse more WESTERN ALLIANCE BANK routing numbers in AZ or across all states. For all US banks, visit the Routing Number Lookup. For international transfers, use the SWIFT Code Lookup. For loan EMI planning, try the EMI Calculator.

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 — Routing Number 122105980