Cornerstone & G12 Ministries Po Box 695 Humboldt, AZ 86329 Phone : (928) 848-4359 Business Category Churches & Religious Organizations Cornerstone Christian Church Po Box 695 Humboldt, AZ 86329 Phone : (928) 848-4359 Business Category Churches & Religious Organizations Cornerstone & G-12 Ministries 2693 N Industrial Way Prescott Valley, AZ 86314 Phone : (928) 848-4359 Business Category Churches & Religious Organizations