Alliant Credit Union Routing Numbers in Iowa

Alliant Credit Union has 2 routing numbers registered in Iowa. When setting up direct deposit, bill pay, or wire transfers, make sure to use the routing number assigned to your specific branch or account — using the wrong one can delay or reject your transaction.

Your routing number appears on the bottom-left of any Alliant Credit Union check, in the Alliant Credit Union mobile app under account details, or by calling Alliant Credit Union at 563-585-3737. For ACH transfers like direct deposits and bill payments, use your state-specific routing number. For domestic wire transfers, Alliant Credit Union may use a different number — always confirm with the bank before sending a wire.

The reason Alliant Credit Union has multiple routing numbers in Iowa is typically due to historical mergers and acquisitions. When banks merge, the acquired institution's routing numbers are often preserved so existing customers don't need to update their direct deposits, autopayments, and vendor relationships. Each routing number is tied to a specific Federal Reserve processing center.

All Alliant Credit Union routing numbers in Iowa can be used for ACH transactions, direct deposits, and electronic payments. They are processed through the Federal Reserve and are verified using the standard ABA checksum algorithm.