Contact us

How can we help you?

To find a warehouse near you or check trading hours, please see Find a warehouse.
 
If you have general questions about Costco, please refer to Member care.
 
If you need more help, please contact your local warehouse.

 

Any online inquiries?

Please contact our member care team on (02) 9166 6880 or click onto the support icon on the bottom right of the screen for live chat. Member care’s operating hours are Monday to Friday 8am to 6pm, excluding public holidays.

 

How to become a Costco supplier?

Please contact our buying office on (02) 9469 7999.

 

Media inquiries

Contact our central marketing manager on (02) 9469 7999.

 

Costco Wholesale Australia regional home office

Address

Address:
17-21 Parramatta Rd
Lidcombe NSW 2141

 
Phone

Phone:
Phone: (02) 9469 7999

 
Mailing address

Mailing address:
PO Box 7196
Silverwater NSW 2128

 
Office hours

Office hours:
Mon–Fri: 8am–5pm
Closed public holidays