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How to change your name with Montana-Dakota Utilities
Married or divorced and updating your accounts? Here's how Montana-Dakota Utilities takes a name change, from its own help page.
In person or by phone only. Montana-Dakota Utilities is one of the few that won't change your name online. Call 800-638-3278 or visit, and bring your documents.
Montana-Dakota Utilities's steps
Montana-Dakota Utilities doesn't post online steps for a name change. Sign in to the Customer Website or call a Customer Service Representative.
Have these ready
- A copy of your marriage certificate, divorce decree or court order (most companies ask for one).
- Your updated driver's license or ID, if you have it. Social Security comes first, then the DMV.
- Your account number, and the name the account is in now.
Let Sasha handle the letters
Sasha writes and signs your name change letter for Montana-Dakota Utilities and every other company on your list, with your certificate attached. It also keeps track of who's done. The checklist is free.
Checked against Montana-Dakota Utilities's own page in October 2026. Companies change their process; confirm on their site or by phone before you send anything. Sasha isn't affiliated with Montana-Dakota Utilities.