Contact Us
We're here to help.
Call
Local: 1-630-428-3440
Toll-free: 1-800-323-2611
Automated Phone Banking: 1-800-323-2611, Press 1
Monday-Thursday: 9 AM to 5 PM
Friday: 9 AM to 6 PM
Saturday: 9 AM to 1 PM
live chat and text
Monday-Friday: 9 AM to 5:00 PM
message us
Send us a message and we'll reply during business hours.
Schedule Appointment
Schedule an in-person appointment.
find a branch or ATM
Bank wherever you see these logos:
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These links are provided for your convenience. Please note that DuPage Credit Union is not responsible for the accuracy of the ATM lists. By visiting a non-DuPage Credit Union ATM, including those displaying the CO-OP Network, Plus, Star, and MoneyPass logos, you may be subject to non-DuPage Credit Union ATM fees. Plus and Star are not surcharge-free networks.
dedicated support numbers
| Automated Phone Banking | 1-800-323-2611 | 24/7 |
| Credit Card Fraud, Lost, or Stolen (US) | 1-800-323-2611 | 24/7 |
| Credit Card Fraud, Lost, or Stolen (Outside the US) | 1-800-847-2911 | 24/7 |
| Debit Card Fraud, Lost, or Stolen | 1-800-323-2611 |
Monday-Thursday: 9 AM to 5 PM; Friday: 9 AM to 6 PM; Saturday: 9 AM to 1 PM |
| Debit Card Fraud, Lost, or Stolen | 1-866-563-4011 | After Business Hours |
| Credit Card Activation | 1-800-631-3197 | 24/7 |
| Debit Card Activation / PIN Change | 1-866-985-2273 | 24/7 |
Contact Us
Please do not submit sensitive personal information such your account number or social security number.
Mailing Address
PO Box 3930
Naperville, IL 60567-3930
Routing Number
271990198
schedule appointment
holidays (closed)
| New Year's Day | Wednesday, January 1, 2025 |
| Martin Luther King Jr. Day | Monday, January 20, 2025 |
| Presidents' Day | Monday, February 17, 2025 |
| Memorial Day | Monday, May 26, 2025 |
| Juneteenth | Thursday, June 19, 2025 |
| Independence Day | Friday, July 4, 2025 |
| Labor Day | Monday, September 1, 2025 |
| Columbus Day / Indigenous Peoples' Day | Monday, October 13, 2025 |
| Veterans Day | Tuesday, November 11, 2025 |
| Thanksgiving | Thursday, November 27, 2025 |
| Christmas Eve | Wednesday, December 24, 2025 - Open 9:00 AM - 1:00 PM |
| Christmas Day | Thursday, December 25, 2025 |
| New Year's Eve | Wednesday, December 31, 2025 - Open 9:00 AM - 1:00 PM |
| New Year's Day | Thursday, January 1, 2026 |
800-323-2611
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