Address Change
For changes of address, please send both your old and new addresses to mhsmembership@mt.gov, call (800)243-9900, or mail to:
Membership Coordinator
Montana Historical Society
P.O. Box 201201
Helena, MT 59620-1201
For changes of address, please send both your old and new addresses to mhsmembership@mt.gov, call (800)243-9900, or mail to:
Membership Coordinator
Montana Historical Society
P.O. Box 201201
Helena, MT 59620-1201
