Greater Yakima Chamber of Commerce in Yakima, Washington

Costco Wholesale Yakima Member Service Center

1700 N 6th Street
Yakima, WA 98901
(509) 454-1200
(509) 454-1310 (fax)
  • About

    Inbound call center supporting all member- facing areas, with majority focused on Costco.com

  • Whom to Contact

    • Bree Braden Mendoza
      Asst. General Mgr. Ecommerce
      Phone: (509) 454-1232
    • Anthony Sampson
      Asst. Gen.Mgr. Administration
      Phone: (509) 454-1200