Contact Us

Your Allegiance account profile will be updated to include this email address for communication purposes. Please contact Customer Service if you do not wish your account to be updated.


( ) - x

Our Locations

Allegiance Benefit Plan Management, Inc.
2806 S. Garfield St.
P.O. Box 3018
Missoula, MT 59806
Toll-Free: 800-877-1122
Fax: 406-523-3111
Contact Us

Allegiance COBRA Services, Inc.
2806 S. Garfield Street
P.O. Box 2097
Missoula, MT 59806-2097
Toll-Free: 800-259-2738
Fax: 406-523-3131
Contact Us
Allegiance Life & Health Insurance Company, Inc.
2806 S. Garfield St.
P.O. Box 3507
Missoula, MT 59806-3507
Phone: 406-523-3122
Toll-Free: 800-737-3137
Fax: 406-523-3124
Contact Us
Allegiance Advantage Reimbursement Accounts
P.O. Box 4346
Missoula, MT 59806
Toll-Free: 877-424-3570
Representatives available 7:00am - 6:00pm MST, M-F
Automatic Voice Response System available 24/7
Fax: 877-424-3539
Contact Us
Participant Q&A
Allegiance Care Management
2806 S. Garfield Street
P.O. Box 2339
Missoula, MT 59806-2339
Case Management
Toll-Free: 877-792-STAR (7827)
Fax: 406-532-1502
Utilization Management
Toll-Free: 800-342-6510
Fax: 406-532-1501
Contact Us

Other locations: Billings, MT | Helena, MT | Tualatin, OR | Plano, TX