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