Archdiocese of Ottawa-Cornwall
Matt. 18:19–20
The main office of the Archdiocese of Ottawa-Cornwall is located at:
1209 Michael Street North, Suite 200 Ottawa, Ontario K1J 7T2
613-738-5025
info@ottawacornwall.ca
The Cornwall regional office is located at:
220 Montreal Road Cornwall, Ontario K6H 1B4
613-933-1138
infocornwall@ottawacornwall.ca