Bismarck Office
1412 Basin Avenue
Bismarck, ND 58504
Tel: 701-258-6507
Fax: 701-224-1163
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Cedar Rapids Office
221 2nd Avenue SE
Suite 210
Cedar Rapids, IA 52401
Tel: 319-286-3000
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Corporate Headquarters
4776 28th Ave S.
Fargo, ND 58104
Tel: 701-451-8300
Fax: 701-451-8301
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Denver Office
9777 Pyramid Court
Suite 200
Englewood, CO 80112
Tel: 720-873-5700
Fax: 720-873-5701
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Detroit Lakes Office
1041 Hawk St
PO Box 150
Detroit Lakes, MN 56502-0150
Tel: 218-847-5607
Fax: 218-847-2791
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Fargo Office
3350 38th Avenue S.
Fargo, ND 58104
Tel: 701-280-8500
Fax: 701-237-3191
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Grand Forks Office
4200 James Ray Drive
Center for Innovation
Grand Forks, ND 58203
Tel: 701-280-8523
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Minneapolis Office
5201 East River Road
Suite 308
Minneapolis, MN 55421
Tel: 763-571-2500
Fax: 763-571-1168
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Sioux Falls Office
5701 South Corporate Place
Sioux Falls, SD 57108
Tel: 605-323-2306
Fax: 605-323-2308
Directions (pdf)
Travel Note: Throughout the summer months of 2010 construction projects will affect access to the Headquarters building. Travel from the north of the building will be limited due to construction on the 45th street bridge and travel from the south will be limited by work on 45th street between 26th and 52nd avenues.