Altru's Sleep Center 4500 S. Washington St.Altru Specialty CenterGrand Forks, ND, 58201 View Phone 701-780-5484 Toll Free: 800-732-4277 4500 S. Washington St., Altru Specialty CenterGrand Forks, ND 58201 View Website Experience & Reliability About Connect with this Business: Send to My Email Send to My Phone Print this Page