UNION BANK OF CALIFORNIA Routing Numbers
1 routing number across 1 state.
California(1)
UNION BANK OF CALIFORNIA FAQ
How many routing numbers does UNION BANK OF CALIFORNIA have?
UNION BANK OF CALIFORNIA has 1 routing numbers across 1 state. Large banks often have different routing numbers for different regions or transaction types.
Which UNION BANK OF CALIFORNIA routing number should I use?
Use the routing number for the state where your account was opened. For wire transfers, contact UNION BANK OF CALIFORNIA directly — they may use a separate wire routing number.
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