| Bishop: | vacant |
| Apostolic Administrator (2026.03.10 – ...): | Titular Bishop of Hirta |
| Cities (California) | Churches (14) |
| Rancho Bernardo, CA | |
| Folsom, CA | |
| Orangevale, CA | |
| Santa Ana, CA | |
| Riverside, CA | |
| El Cajon, CA | |
| Spring Valley, CA | |
| Campbell, CA | |
| Ceres, CA | |
| El Cajon, CA | |
| North Hollywood, CA | |
| El Cajon, CA | |
| Turlock, CA | |
| El Cajon, CA | |
| Cities (Arizona) | Churches (4) |
| Gilbert, AZ | |
| Phoenix, AZ | |
| Scottsdale, AZ | |
| Tucson, AZ | |
| Cities (Nevada) | Churches (1) |
| Las Vegas, NV |
Last updated on 2026.03.28
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