For the remainder of this month, (20 April – 30 April 2026) we will be focusing on training and development. During this time, most of our staff will be unavailable for normal operations but we will be monitoring email, text, and voice messages. Please note that it may take us longer than the usual 24 business hours to respond, but we will get back to you. If you have an upcoming payment, please keep this in mind and plan accordingly if you need assistance. Thank you!
Contact Us
National Nation Loans aims to provide you with efficient and professional customer service and encourage you to read through our website before submitting any questions as you may find your answers on our site.
Call volume is quite high during the day, so we encourage you to use the online contact form below if you have any comments, concerns, or questions. We do respond to all communications, typically within 24-business hours.
NNL Customer Service
Phone: 1-877-888-0312
Mailing & Payment Address: PO Box #70, Solon, IA 52333
Corporate Address: 1 Wakpamni Lake Road, Wakpamni Lake, SD 57716
Email: support@nationalnationloans.com
Hours: 9:00 AM – 5:00 PM EST, Monday-Friday (except holidays)
If you have already contacted our customer service team in an attempt to resolve an issue or concern and it has been more than 24 business hours and you still need additional assistance, please contact the Wakpamni Lake Community Consumer Complaint Tribal Hotline at 1-800-677-3860 or email compliance@wlcccompliance.com between the hours of 9 AM and 5 PM MST, Monday through Friday. If this is your first call to customer service, please call 1-877-888-0312.
If you would like a copy of the Tribal Credit Code of the Wakpamni Lake Community Corporation of the Oglala Sioux Tribe, please email us at coderequest@WLCCCompliance.com.
Thank you!