Email Us

For Existing Clients

You may contact customer service at 1-844-564-3456 or via email at If you have already contacted Customer Service in an attempt to resolve an issue or concern and still need additional assistance, please contact the Wakpamni Lake Community Consumer Complaint Tribe Hotline at 1-800-677-3860 between the hours of 9 AM and 5 PM MST Monday through Friday. 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