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Frontier Bank Routing Numbers
6 routing numbers across 3 states.
Colorado(2)
Iowa(1)
Nebraska(3)
Frontier Bank FAQ
How many routing numbers does Frontier Bank have?
Frontier Bank has 6 routing numbers across 3 states. Large banks often have different routing numbers for different regions or transaction types.
Which Frontier Bank routing number should I use?
Use the routing number for the state where your account was opened. For wire transfers, contact Frontier Bank directly — they may use a separate wire routing number.
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