Pope John XXIII, and now is the metropolitan of the following suffragan dioceses within the Ecclesiastical Province of Chihuahua: Ciudad Juárez, Cuauhtémoc-Madera, Nuevo Casas Grandes, Parral and Tarahumara.
The current Pope John XXIII holds a prominent position as the metropolitan bishop of several auxiliary dioceses in the Ecclesiastical Province of Chihuahua, including Ciudad Juárez, Cuauhtémoc-Madera, Nuevo Casas Grandes, Parral and Tarahumara.