Western Alliance Bank's routing number is 122243736 (Phoenix, AZ). This 9-digit ABA routing number is used for ACH transfers, direct deposits, and wire transfers.
How do I validate a Western Alliance Bank routing number?
Enter the Western Alliance Bank routing number in the validator above. It will verify the 9-digit format, check the ABA 3-7-1 weighted checksum, identify the Federal Reserve district, and confirm the bank name.
Where can I find my Western Alliance Bank routing number?
Your Western Alliance Bank routing number appears at the bottom-left of your checks (first 9 digits), in your online banking portal, or on your bank statements. Note that Western Alliance Bank may use different routing numbers depending on your state or transaction type.
In which states does Western Alliance Bank operate?
Based on routing number data, Western Alliance Bank operates in AZ. Each regional office may have its own routing number for processing local transactions.
What Federal Reserve district does Western Alliance Bank belong to?
Western Alliance Bank's primary routing number 122243736 begins with "12", which identifies the Federal Reserve district responsible for processing its transactions. The first two digits of every ABA routing number indicate the Federal Reserve Bank or branch that serves the institution.