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If you are already registered as an online user and have forgotten your Canada Post User ID, please contact the Canada Post Technical Helpdesk for assistance at 1-866-511-0546 Monday to Friday, 7 a.m. to 9 p.m. EST.


CPID_PostMark Scheduled Maintenance

Scheduled Maintenance Window – March 28 to 29

Canada Post shipping tools and web services will be unavailable while we perform an upgrade from Saturday, March 28 at 9 p.m. until Sunday, March 29 at 12 p.m. Eastern Daylight Time. This extended maintenance window will allow us to provide you updated shipping tools and a new streamlined Canada Post digital experience. We apologize for any inconvenience this may cause.

Phone: 1-866-511-0546
Hours: Monday to Friday, 8 a.m. to 6 p.m. local time
Saturday 9 a.m. to 5 p.m. local time
Sunday 11 a.m. to 5 p.m. local time