Contact

Claims Administrator:
Allegiance Benefit Plan Management, Inc.
2806 S. Garfield St.
P.O. Box 3018
Missoula, MT 59806

1-877-720-7827

Normal Hours of Operation:
Mon-Fri: 6:00 am -6:00 pm MST.

Medical Case Management/Hospital Notification:
1-800-342-6510

MCA Trust Office:
To answer your questions regarding Life and AD&D Benefits, Hour Bank & Eligibility, Enrollment and Plan Administration

PO Box 30177
Billings, MT 59107
406-256-9910 – office
406-255-7123- fax


Allegiance will be closed for the following U.S. holidays:

New Year's Day January 1st

President’s Day third Monday in February

Memorial Day last Monday in May

Independence Day July 4th

Labor Day first Monday in September

Thanksgiving Day fourth Thursday in November

Friday after Thanksgiving fourth Friday in November

Christmas Eve (½ day) December 24th

Christmas Day December 25th