Roman Catholic Diocese of Tampico Tags: Clerical Administrative Region, Diocese.The Roman Catholic Diocese of Tampico (Latin: Dioecesis Tampicensis) (erected 12 March 1870 as Diocese of Ciudad Victoria-Tamaulipas renamed 25 February 1958) is a suffragan diocese of the Archdiocese of Monterrey. thumbnail area (km2) 2.26779e+10 Established 13 August 1861 ( years ago) province Roman Catholic Archdiocese of Monterrey Learn more... Loading...