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MDU (Montana Dakota Utilities) provides utility service to Montana, South Dakota, North Dakota, and Wyoming.

MDU USA Corporate Office Headquarters HQ Address

1200 W. Century Ave. or P.O. Box 5650

Bismarck, ND 58506-5650

Corporate Phone Number: 1-701- 530-1000 or 1-866-760-4852

Fax Number: n/a

Email Address: [email protected]

Stock Symbol: MDU

Media Phone Number: 1-888-530-6387

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