Costco Customer Support

All the updated information for contacting Costco customer support: Phone numbers, email addresses, social media accounts, the official website of Costco, etc.

About Costco

Costco is a membership warehouse club, with hundreds of locations worldwide. Costco was founded in 1983 and is one of the largest wholesale corporations in the world.

Customer Care Channels:

Costco Customer Service – Phone

The phone number of Costco customer service is: 1-800-220-6000.

Costco contact center operating hours: 24/7.

Costco Customer Service – Website

Costco customer service, knowledge center, FAQ, and self service on Click here.

Costco Customer Service – Email

Costco provides customer service by email, on the address: [email protected].

Costco Customer Service – Chat

Costco customer service chat link: Click here.

Costco Customer Support – Whatsapp

– No whatsapp support.

Costco Customer Service – Facebook

Costco customer service facebook link: Click here.

Costco Customer Service – Twitter

Costco customer service twitter link: Click here.

Costco Customer Service – Postal Address

Costco customer service address (or headquarters address): Costco Wholesale, P.O. Box 34331, Seattle, WA 98124, USA. provides contact details for leading companies and websites. We do not provide any customer support ourselves. All the information on this website is gathered from the companies websites, social media and customer feedback. We work constantly to ensure that the information provided on this site is up-to-date and accurate. In case we have missed anything, or if any contact detail is inaccurate, feel free to update us.