Alliant Credit Union Routing Number: Nationwide Digital CU

What is the Alliant Credit Union routing number?

Alliant Credit Union uses routing number 271081528 for all accounts nationwide. Headquartered in Chicago, Alliant is one of the largest and highest-rated online credit unions in the United States, consistently ranking at the top for savings rates and low fees.

Originally chartered in 1935 as United Airlines Employees' Credit Union, Alliant has expanded membership eligibility to anyone who joins Foster Care to Success (a free membership). This makes it effectively open to all US residents.

Using the Alliant routing number

Routing number 271081528 works for all transaction types: ACH transfers, direct deposit, bill payments, and domestic wire transfers. This applies to Alliant's high-yield checking, high-yield savings, money market, and certificate accounts.

The 27 prefix indicates Alliant routes through the Federal Reserve Bank of Chicago. All Alliant members use this same number regardless of where they live.

Alliant wire transfer details

For domestic wires, use routing number 271081528. Alliant charges $25 for outgoing domestic wire transfers and $0 for incoming wires. International wire transfers are available through Alliant's online banking.

Wire transfers can be initiated through Alliant's online banking or mobile app. Same-day processing is available for wires submitted before the daily cutoff time.

How to find your Alliant routing number

Find the routing number in the Alliant mobile app under account details, on Alliant's website at alliantcreditunion.org, or on any Alliant check. You can also call Alliant at 1-800-328-1935.

As a digital-first credit union without branch networks, Alliant keeps things simple with a single routing number for all members.

How Slash serves businesses differently

Alliant is an excellent choice for personal savings with industry-leading APY rates. For business banking, Slash offers purpose-built tools: unlimited virtual cards with per-card spend controls, automated expense categorization, and direct integrations with QuickBooks and other accounting software.

While Alliant focuses on consumer banking, Slash is designed from the ground up for the way modern businesses manage their finances.