Join Now Become a member today to support our mission and enjoy the many benefits! Simply select a level below to become a member. Please allow 7-10 business days for us to process your membership and mail your materials. If you have questions, please contact our membership office at (303) 866-3639 or membership@state.co.us. To learn more about the Colorado! Friend Circle and join, click here. Looking for corporate memberships? Click here. Are you an educator, History Colorado volunteer, or veteran? Please call us for special membership pricing. Main navigation - Levels 3 & 4 About us Careers Membership Join Now Membership FAQ Renew History Buff Memberships Digital Members Lounge Tax Deduction Information Our Museums and Exhibits Philanthropy Membership Volunteer Donate Internships & Fellowships