​Contact The Upper Great Plains Regional Office

Mailing Address:
PO Box 35800
Billings, MT 59107-5800

406-255-2800
Toll Free: 1-800-358-3415
Fax: 406-255-2900​​

Upper Great Plains Regional Manag​​​e​​r​​​​
​​Safety & Security
406-255-2911
​Environment
406-255-2912
​​Power System Operations
605-882-7300
​Maintenance
605-353-2700
Power Marketing
406-255-2911
​Finance
406-255-2823

Last modified on November 4th, 2024