Membership Office
PO Box 1715
Maple Grove, MN 55311-6715
Phone: 763-420-7829
Fax: 763-420-7849
Email: lcoc@cornerstonereg.com
Hours:
May – September: Monday – Thursday, 9:00 am – 5:00 pm Central Time
October – April: Monday-Friday, 9:00 am – 5:00 pm Central Time
