Effective January 1, 2026: Conexus Credit Union 2006, Cornerstone Credit Union Financial Group Limited, and Synergy Credit Union Ltd. amalgamated as Conexus Credit Union. Learn more.
Lock your debit card to prevent bigger issues
On a desktop:
Log in to your digital banking platform
Click My Conexus > Manage cards > Lock'N'Block™
Through the Conexus mobile app
Log in to your account
Tap on More > My Conexus > Manage Cards > Lock'N'Block
Through mobile web banking
Log in to your mobile web banking
Click Menu > My Conexus > Manage Cards > Lock'N'Block
Lost or stolen debit card
Phone: 1-800-667-7477
Contact your local branch
Lock'N'Block: log in to your online banking or our mobile app to easily lock your card from being used
Select MyConexus > Manage cards > Lock'N’Block
Lost or stolen Conexus Mastercard
Within Canada and US: 1-833-528-2273
International: 1-647-252-9564 (collect)
Suspicious Activity Phone: 1-800-667-7477
Contact your local branch
Connect with us using this online form