Contact Us

Under 65 Customer Service (Existing members with health plans) 

1-855-258-8471
Calls may or may not be answered inside the United States.

Monday – Friday: 6 a.m. – 7 p.m. CT
Saturday: 7 a.m. – 4 p.m. CT
Sunday: Closed

Over 65 Medicare Supplement Customer Service

1-855-520-1577

Over 65 Medicare Advantage Customer Service

1-877-774-8592

Members of employer-purchased policies, call the customer service toll-free number listed on your member ID card.

Human Resources Inquiries

1-866-977-7378

Billings

2180 Overland Avenue, Suite 103
Billings, MT 59102
1-800-539-5628

Bozeman

1283 N. 14th Street, Suite 102
Bozeman, MT 59771
1-888-447-3644

Great Falls/Helena

3645 Alice Street
Helena, MT 59604
1-800-447-7828

Kalispell

125 Commons Way, Ste 2
Kalispell, MT 59901
1-800-858-1187

Missoula

1-800-351-6622

Mail to:
Blue Cross and Blue Shield of Montana
P.O. Box 7982
Helena, MT 59604-7982

If you are interested in conducting business with Blue Cross and Blue Shield of Montana, this link takes you to our Supplier Registration Portal.

Blue Cross and Blue Shield of Montana
P.O. Box 7982
Helena, MT 59604-7982
1-800-634-3569
Website: www.fepblue.org

Office Hours
9 a.m. – 5 p.m., Monday–Friday

Blue Cross and Blue Shield of Montana
Attn: Corporate Communications
3645 Alice Street
Helena, MT 59601

If you are a member of the media with questions, please contact:

John Doran
1-406-437-6195
Email: John_Doran@bcbsmt.com

or

Jesse Zentz
1-406-437-6182
Email: Jesse_Zentz@bcbsmt.com

Office Hours
8 a.m. – 5 p.m., Monday-Friday

Blue Cross and Blue Shield of Montana
3645 Alice Street
PO Box 4309
Helena, MT 59604-4309
1-406-437-6100
Email: hcsx6100@bcbsmt.com

Office Hours
7 a.m. – 5 p.m., Monday–Friday

Blue Cross and Blue Shield of Montana
Attn: Marketing Department
3645 Alice Street
PO Box 4309
Helena, MT 59604-4309
1-800-438-2268

Office Hours

8 a.m. – 5 p.m., Monday–Friday

Submit completed applications to address designated on form, if address not identified submit to:

Blue Cross and Blue Shield of Montana
P.O. Box 7982
Helena, MT 59604-7982

Fax: 1-800-852-1360

Members

Coverage is not through employment (individual insurance) submit to:

Blue Cross and Blue Shield of Montana
PO Box 660858
Dallas, TX 75266-0858

Coverage is through your employment (group insurance) submit to:

Blue Cross and Blue Shield of Montana
3645 Alice Street
PO Box 4309
Helena, MT 59604-4309

Employers

Submit premium dues for your group health plan to:

Blue Cross and Blue Shield of Montana
P.O. Box 650615
Dallas, TX 75265-0615

Send Overnight Payment Deliveries to:

Blue Cross and Blue Shield of Montana
Attn: 650615
1501 North Plano Rd., Suite 100
Richardson, TX 75081

Blue Cross and Blue Shield of Montana
Attn: Total Health Management
P.O. Box 7982
Helena, MT 59604-7982

Fax THM Forms to: 1-406-437-7848

For questions, email wellness@bcbsmt.com