Costco Customer Care Details

Costco customer service contact details search will end here. Here we included all the contact details of Costco customer service. We cover Costco Phone Number, Customer Service Hours, How to call for an inquiry.

Customer care numbers

  • Costco online customer service: 1-800-955-2292
  • Membership and Warehouse: 1-800-774-2678
  • Costco Business Center Orders: 1-800-788-9968
  • Costco Concierge Services Technical Support: 1-866-861-0450
  • Home Improvement Installed Products: 1-844-765-0251
  • Costco Mail Order Pharmacy: 1-800-607-6861
  • Costco Photo Center: 1-855-620-7579
  • Travel: 1-877-849-2730

Customer care supporting hours

  • Monday to Friday: 6 AM – 6 PM
  • Saturday to Sunday: 8 AM – 5 PM Pacific Time

Social media

Contact address

PO Box 34331
Seattle, WA 98124