It has 36 congregations in the American states of California, Arizona, Nevada, Utah, Idaho, Montana, Wyoming.
They adopted the Theological Statement of the Common Cause Partnership and elected an Executive Committee.
They joined the Common Cause Partnership in 2008 and formed the new diocese who was recognized as a member of the Anglican Church in North America in their Provincial Assembly held in Dallas, Texas, in April 2009.
On October 10, 2014, the Anglican Church of North America elected Keith Andrews as the second bishop of the diocese.
He was consecrated on January 25, 2015, at St. Andrew's Presbyterian Church, in Newport Beach, California.