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Signature Bank Routing Numbers
4 routing numbers across 3 states.
Illinois(2)
New York(1)
Ohio(1)
Signature Bank FAQ
How many routing numbers does Signature Bank have?
Signature Bank has 4 routing numbers across 3 states. Large banks often have different routing numbers for different regions or transaction types.
Which Signature Bank routing number should I use?
Use the routing number for the state where your account was opened. For wire transfers, contact Signature Bank directly — they may use a separate wire routing number.
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