The Diocese of Saint Catharines offices are located at The Catholic Centre Mailing Address: P.O. Box 875, St. Catharines, Ontario, L2R 6Z4Located at: 3400 Merrittville Highway. Thorold, Ontario L2V 4Y6Phone: 905 684-0154Fax: 905 684-2185Office Hours: Monday to Friday: 9:00 a.m. – 4:30 p.m. Google street map to find our office Diocesan Offices contact information and Staff Please use the form below to write to the Diocese […]
