Costco Wholesale Headquarters Address and Email Format

Costco Wholesale is one of the largest MNC chain of membership-only warehouse clubs in the United States of America. The company is listed in NASDAQ with stock name COST. As on December 10, 2019, their stock price is US$295.78. The company is headquartered in Issaquah, Washington, United States. The company was founded on September 15, 1983 in Seattle, Washington, United StatesIn very short period of time, they had gained good popularity among the customers especially money-saving people.

Costco Wholesale is simply known as Costco among the customers and they have various subsidiaries, such as Costco Travel, NW Re Ltd., Costco Insurance Agency Inc., Costco Wholesale International Inc., and more. They have good respect and customer base all around the United States, thanks to their world-class service and customer support.

Costco Wholesale Headquarters
Costco Wholesale Headquarters

Costco Anywhere Visa® Card by Citi

If you are holding card by Citi with Costco Anywhere VISA(R), please find contact details below:

  • Consumer cards: 1-855-378-6467
  • Business cards: 1-855-378-6468

Corporate Mailing Address

The official mailing address of Costco Wholesale is given below:

  • Address: PO Box 34331, Seattle, WA 98124

Customer Service Numbers

Costco Wholesale customer support is one of the quick ways to approach them, find below their contacts:

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

FREE TECHNICAL SUPPORT (Exclusively for Members)

If you are member of Costco Wholesale, please find below free support (technical):

  • TOLL-FREE Number: 1-866-861-0450

Investors Relations

Richard Galanti – Executive Vice President, Chief Financial Officer
Phone: (425) 313-8203

Bob Nelson
Senior Vice President, Financial Planning & Investor Relations
Phone: (425) 313-8255

David Sherwood
Assistant Vice President, Financial Planning & Investor Relations
Phone: (425) 313 – 8239

Josh Dahmen
Director, Financial Planning & Investor Relations
Phone: (425) 313 – 8254


  • Information Technology Email:
  • Corporate Office, 999 Lake Drive, Issaquah, WA 98027
  • Official Portal:

Social Presence

Right now, Facebook is the only account which is verified with blue-tick mark. They have other social networking accounts and pages but they are not verified with blue-tick marked. Please let us know if you found any blue-tick marked Twitter and Instagram Accounts.

About Costco Wholesale Products

They sale various products in the following categories: Appliances, Computers, Baby Products, Holiday and Seasonal. Floral & Gift Baskets, Gourmet Foods, Electronics, Food & Household. Home Improvement, Beauty, Clothing, Luggage & Handbags. Home & Kitchen, Sports & Fitness, Toys & Books, Patio, and more..

Related Article: How to Contact Home Depot

Article last re-published on March 12, 2020.

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