NCUA-insured credit union
Alliant — Chicago, IL
Credit Union headquartered in Chicago, Illinois.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 11545 W Touhy Ave Chicago, IL 60666 |
| County | Cook |
| Website | not published in NCUA data |
| Phone | (800) 328-1935 |
NCUA record
| NCUA Charter | 67955 |
| Federal Reserve RSSD ID | 367392 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
How to find your Alliant routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
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Offices
| Acu Headquarters main office Chicago, IL |
11545 W Touhy Ave, 60666 (800) 328-1935 Mon-Fri 8:50 am - 5:00 pm |
Where Alliant has offices
Cities with the most Alliant offices
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| Mwrd Employees | $37.94 million |
Largest credit unions headquartered elsewhere in Illinois
| Citizens Equity First Peoria | $8.61 billion |
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| Consumers lake Forest | $4.57 billion |
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| I. H. Mississippi Valley Moline | $2.33 billion |
| Empeople Moline | $2.28 billion |
| Scott Edwardsville | $1.84 billion |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
