Main Office - Bismarck
1600 East Century Avenue‚ Suite 1‚ Bismarck ND 58503–0644
Business Hours: 8:00 a.m. - 5:00 p.m., Monday through Friday.

Fargo Service Center
2601 12th Avenue SW‚ Fargo ND 58103−2354
Business Hours: 8:00 a.m. - 12:00 p.m. and 1:00 - 5:00 p.m., Monday through Friday.

By Phone:

Main Office - Bismarck
Customer Service: (701) 328−3800 − Toll−Free: 1−800−777−5033

Hearing Impaired: 1-800-366-6888
24/7 Claim Reporting: 1-800-777-5033
Fraud & Safety HotLine: 1-800-243-3331
Loss Prevention: (701) 328-3886
Loss Prevention Education Unit: (701) 328-5921
Medical Provider Assistance Line: 1-800-777-5033
(For assisting medical providers with general information, workers’ compensation procedures, or medical bill information.)
Office of Independent Review: (701) 328−9900 − Toll−Free: 1−800−701−4932
Public Relations: (701) 328-5931
Utilization Review: (701) 328-5990 - Toll-Free: 1-888-777-5871

Fargo Service Center
Customer Service: 1-800-777-5033

By E-mail:

Office of Independent Review: wsioir@state.nd.us
Policyholders Services: wsiphservices@state.nd.us
Preferred Worker Program: wsipworker@state.nd.us
Safety information: wsisafety@state.nd.us

By Fax:

Main Office - Bismarck
Main Fax: (701) 328-3820
Legal Department: (701) 328-6040
Loss Prevention: (701) 328-6028
Office of Independent Review: (701) 328-9911
Policyholder Services: (701) 328-3750
Public Relations: (701) 328-5956
Utilization Review: (701) 328−5965 − Toll−Free: 1−888−777−5872

Fargo Service Center
(701) 298−4999

By Mail:

Main Office - Bismarck
Regular mail: PO Box 5585, Bismarck ND 58506-5585
Overnight mail: 1600 East Century Avenue, Suite 1, Bismarck ND 58503-0644

Fargo Service Center
2601 12th Avenue SW, Fargo ND 58103-2354