If you're a Costco member or simply interested in their products and services, you might find yourself needing to contact Costco by phone. With numerous departments and services, Costco offers various phone numbers to cater to your specific needs. Let's guide you through the process of contacting Costco by phone in the USA.

Before we dive into the different phone numbers, it's essential to note that Costco's customer service operates during specific hours. Typically, their phone lines are open from 8:00 AM to 5:00 PM (Pacific Time), Monday through Friday. However, some departments may have extended hours or different operating schedules, so it's always a good idea to check their official website for the most up-to-date information.

Costco Customer Service
For general inquiries, assistance with your membership, or questions about products and services, you can reach out to Costco's customer service department.

Phone number: 1-800-774-2678
Membership Inquiries

If you have questions about your Costco membership, such as upgrading, renewing, or canceling, you can contact their membership services team.
Phone number: 1-800-774-2678 (Select option 1 for Membership Services)
Product Returns and Refunds

For inquiries regarding product returns, refunds, or exchanges, you can contact Costco's returns department.
Phone number: 1-800-774-2678 (Select option 2 for Returns)
Costco Travel

If you need assistance with booking travel arrangements, such as vacations, cruises, or car rentals, through Costco Travel, you can reach out to their dedicated travel team.
Phone number: 1-866-979-2727




















Travel Packages
For inquiries about specific travel packages or to make a booking, you can contact their travel packages department.
Phone number: 1-866-979-2727 (Select option 1 for Travel Packages)
Cruises
If you have questions about cruises or would like to book one, you can contact their cruises department.
Phone number: 1-866-979-2727 (Select option 2 for Cruises)
Costco Business Services
For businesses interested in Costco's business services, such as delivery, catering, or business accounts, you can contact their business services team.
Phone number: 1-800-774-2678 (Select option 3 for Business Services)
Business Delivery
If you're interested in Costco's delivery services for businesses, you can contact their business delivery department.
Phone number: 1-800-774-2678 (Select option 3 for Business Services, then follow the prompts for Delivery)
Catering Services
For inquiries about Costco's catering services, you can contact their catering department.
Phone number: 1-800-774-2678 (Select option 3 for Business Services, then follow the prompts for Catering)
When contacting Costco by phone, be prepared to provide your membership number or other relevant information to help the customer service representative assist you more efficiently. If you're calling about a specific product or service, having the item number or relevant details on hand can also streamline the process. Happy shopping, and we hope this guide helps you reach the right department for your needs!