If this is an emergency, call 800-638-3278
Need help? Agents are online from 10 a.m to 5 p.m. CST to answer your questions.
Login to your MDU online account and look for the Chat feature at the bottom of the screen.
Contact Montana-Dakota Utilities Co.
Contact us by telephone
Our Customer Service Center can assist you with many account related requests, including checking balances, making payments, starting or stopping service, and much more.
7:30 A.M. – 6:30 P.M. | Monday through Friday
Contact us online
Our Online Account Services offer current account holders a wide variety of self-help options. These options include viewing your statement and account history, requesting service changes, as well as scheduling a payment plan. Please register and login to view these options and many more. If you are needing new service, please call us and a representative will be happy to assist you.
Montana-Dakota Utilities now offers online chat through Online Account Services. Online chat is available to MDU’s customers Monday through Friday, 9 A.M. to 4 P.M. MT, and 10 A.M. to 5 P.M. CT. Login to your account and click the chat icon near the bottom of the screen to chat with an agent.
If you have comments, questions or concerns you would like to share with us, complete the form below. Please remember that we will not reply with account information without secure verification first. For example, requests to start, stop or transfer service cannot be processed via the contact form on this page.