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Alliant Credit Union Customer Care No.
Updated on Saturday, 23 May 2026 - 1:41pm
Organization:
alliantcreditunion.org International Numbers:
+1-800-328-1935 (For Customer Support, Mon-Fri, 8am-9pm, Sat, 10am-3pm CT)
+1-773-462-2000 (For International Support, Mon-Fri, 8am-9pm, Sat, 10am-3pm CT)
Website:
Official Website
iOS App:
Alliant Mobile Banking
Android App:
Alliant Mobile Banking Important Links
Service Contact Details
| Sr No. | Service | Contact No. | Address/Timing |
|---|---|---|---|
| Debit and Credit Cards | |||
| 1 | Access Account Info/Report Fraud | 800-328-1935 | - |
| 2 | Credit Card applications | 800-328-1935, Extn. 2570 | Mon-Fri, 8am-5pm, CT |
| 3 | Visa Benefit Support | 800-847-2911 | 24/7 |
| 4 | Payments via USPS | - | Alliant Credit Union P.O. BOX 1666 Des Plaines, IL 60017-1666 |
| 5 | Payments via FedEx | - | Alliant Credit Union Att: Plastic Card Operations 11545 W Touhy Ave Chicago, IL 60666 |
| Loans - Tesla, Auto and RV/Personal Loans/Home Equity Line of Credit | |||
| 6 | New and In-Progress Applications | 800-328-1935, Ext. 2570 | Mon-Fri, 8am-5pm, CT |
| 7 | Phone Support | 800-328-1935 | Mon-Fri, 7am-8pm, Sat 9am-6pm, CT |
| Mortgage | |||
| 8 | Phone Support and Payment | 866-341-1017 | Mon-Fri, 8am-5pm, CT |
Office Addresses
| Sr No. | Name | Address (Alliant Credit Union) |
|---|---|---|
| 1 | U.S. Territories Mailing Address | P.O. BOX 66945 Chicago, IL 60666-0945 |
| 2 | International Mailing Address | P.O. BOX 2387 Des Plaines, IL 60017-2387 |
| 3 | For Written Disputes | ATTN: Cards Risk Management Team P.O. BOX 10409 Des Moines, IA 50306 |
Forms Centre
Headquarters
Alliant Credit Union
11545 W. Touhy Ave,
Chicago, IL 60666
Comments
login blocked/ phone will not answer
You are messed up. You are blocking me from logging onto my account online. You phone center number gives no option for help only automated service. You are real jerks!! I imagine no one will read this