Catholic Charities of the Diocese of Pittsburgh Share: Community Organizations Catholic Charities of the Diocese of Pittsburgh Visit Website 6 North Mill Street New Castle, PA 16101 (412) 456-6950 About Map About Catholic Charities serves all regardless of religious affiliation. We provide Basic Needs Assistance, Pregnancy and Parenting Services, Senior Assistance, and other services to help those in need. What's Nearby? Distance: 5 10 15 20 25 50 mi.