The Promised Land, Land of Opportunity, etc, etc.
Also noted for LA, which is more of a state unto itself…
In AH, California is often, perhaps unrealistically, an independent republic. Alternatively it is part of British Columbia, Russian Alaska, or occupied by imperial Japan in some of the wackier Axis victory timelines. Sometimes, it includes the Baja California Peninsula just south of it or is called “Alta California.”
If you're from here, feel free to add yourself to the list.
And the list of banned Californian members: