Roman Catholic Dioceses by ZIP Code | Master List [USA]This file contains 40,000+ Unique ZIP Codes matched to ALL 175 Roman Catholic Dioceses in the United States + Washington, D. C. [does not include U. S. Territories, the Archdiocese of the Military Services, Diocese of the Personal Ordinariate of the Chair of St. Peter]. Easy to use Excel (. xls) file format. Customize and alter as you desire. No licensing fee. No subscription. Once you buy it, it's yours. Compatible with any database that permits