Contact Us TO REPORT AN AFTER-HOURS OUTAGE, CALL 1-800-250-6142PO Box 8823 Main StTimber Lake, SD 57656General Email: mge@mge.coopTimber Lake Office: 1-800-952-3158 or 1-605-865-3511Timber Lake Office Fax: 1-605-865-3340Eagle Butte Office: 1-605-964-2977 Image