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NWE Contact Bar, in Montana dial 1-888-467-2669, in South Dakota or Nebraska dial 1-800-245-6977

Contact Us


This site provides helpful information in regards to your retirement, including the plan documents that govern your pension, 401(k) and post-retirement health benefits. If you have any questions related to the information on this site please feel free to contact one of the resources listed below:

For information on benefits, including pension

Benefits Department
(406) 497-4610 or (888) 236-6656

For information on community relations and charitable contributions

Rick Edwards
Director, Community Connections
(406) 497-3621

For energy account inquiries

Montana Customer Contact Center
(888) 467-2669

Nebraska/South Dakota Customer Contact Center
(800) 245-6977

For shareholder services inquiries

Investor Relations
(605) 978-2929

We provide links to external or third-party websites solely for your convenience. When you link to other sites you do so at your own risk, and NorthWestern Energy accepts no liability for any linked sites or their content. When you access an external website, keep in mind that NorthWestern Energy has no control over it's content. Learn more about third-party links >

NorthWestern Benefits Department
Customer Service: (406) 497-4610

Blue Cross and Blue Shield of Montana
Customer Service: (855) 258-3489

Delta Dental
Customer Service: (800) 521-2651

Prime Therapeutics
Customer Service: (866) 325-5230

Vision Service Plan
Customer Service: (800) 877-7195

Fidelity Investments
Customer Service: (800) 835-5095

John Hancock Pension Services
Customer Service: (800) 395-1113

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