6000 28th Street
Grand Rapids, MI 49546
General Phone: 616.285.5711
Toll Free: 800.327.3478
Fax: 616.285.5735 (28th St. Office)
Fax: 616.285.7285 (direct to Client Services & Education Team)
General phone support is available from 7:30 a.m. to midnight ET Monday through Friday, though a customer support specialist is on call 24/7 in case of emergencies.
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