Customer Service | Customer Privacy Statement | Terms and Conditions * Online Membership Verification
In the "Account Details" section of your Costco.ca account, select "Continue to Verification" to begin the membership verification process. ** Customer Service Hours
Monday to Friday: 8am to 10pm EST
Saturday and Sunday: 8am to 7pm EST In the past you provided Costco with your email address costco_ca_743a72c6@ureader.com. This email is being sent to you even if you previously unsubscribed from Costco’s commercial electronic messages because it contains important information. If you previously unsubscribed from Costco’s commercial electronic messages, please be assured that you are still unsubscribed. If you are subscribed but no longer want to receive email and other commercial electronic messages from Costco, regarding Costco, its affiliates and selected partners, please . Please DO NOT REPLY, as the email will not be read. If you cannot select the URLs within this message, please copy and paste them into your browser. Costco Wholesale Canada Ltd. | Costco.ca Customer Service | 415 West Hunt Club Road | Ottawa, Ontario, Canada K2E IC5
© 2025 Costco Wholesale Canada Ltd. All Rights Reserved. For Canadian customers only. | 
