Contact Us - NorthStar Credit Union

As a member-owner of the credit union, your voice matters!

Feel free to reach out to us with any questions, concerns, or suggestions you may have. Simply select the department you'd like from the drop-down menu below and share your thoughts.

Contact us securely:

Telephone

Member Services: 630-393-7201, option 2

Toll-free: 800-983-6828, option 2

Financial Services (Lending): 630-393-7201, option 3

Toll-free: 800-983-6828, option 2

Mail

Main Office
3 S 555 Winfield Road
Warrenville, IL 60555

View a complete listing of our branch locations and hours.

Partner Contacts

Elan Financial Services (credit cards)

Member Service: 866-552-8855
Lost or Stolen Cards: 800-558-3424

iPay Online Bill Pay

Support: 888-527-4609

Information sent by email is at risk of loss of confidentiality if the information is transmitted over the Internet. We do not recommend sending confidential information such as social security or account numbers by email. To transmit sensitive information, please use our secure upload center.