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

Monday-Friday: 9 AM to 4:00 PM

New! Send us a text from your mobile device.

Send us a message and we'll reply during business hours.

Schedule an in-person appointment.

Bank wherever you see these logos:

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.

Service	Phone Number	Hours
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

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

Holiday	Date
New Year's Day	Thursday, January 1, 2026
Martin Luther King Jr. Day	Monday, January 19, 2026
Presidents' Day	Monday, February 16, 2026
Memorial Day	Monday, May 25, 2026
Juneteenth	Friday, June 19, 2026
Independence Day	Saturday, July 4, 2026
Labor Day	Monday, September 7, 2026
Columbus Day / Indigenous Peoples' Day	Monday, October 12, 2026
Veterans Day	Wednesday, November 11, 2026
Thanksgiving	Thursday, November 26, 2026
Christmas Eve	Thursday, December 24, 2026 - closing at 1:00 PM
Christmas Day	Friday, December 25, 2026
New Year's Eve	Thursday, December 31, 2026 - closing at 1:00 PM
New Year's Day	Friday, January 1, 2027