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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
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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
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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
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Allegiance Advantage Reimbursement Accounts
P.O. Box 4346
Missoula, MT 59806
Toll-Free: 877-424-3570
Automatic Voice Response System available 24/7
Fax: 877-424-3539
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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:
 Inpatient: 406-532-1501
 Outpatient: 406-532-3513
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Other locations: Billings, MT | Helena, MT | Tualatin, OR | Plano, TX