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Costco Wholesale / Costco Benefits Enrollment Center fax number

(844) 832-0954

Costco Benefits Enrollment Center

Used for: Submit Costco employee benefits enrollment documents (health, dental, vision, etc.) via fax to the Enrollment Center at 844-832-0954, Attn: Enrollment Center.

Fax destination details

Department
Costco Benefits Enrollment Center
Purpose
Submit Costco employee benefits enrollment documents (health, dental, vision, etc.) via fax to the Enrollment Center at 844-832-0954, Attn: Enrollment Center.
Address
Costco Wholesale Corporation, 999 Lake Drive, Issaquah, WA 98027, USA
Voice phone
+1-800-541-6205

Before you send

  • Confirm that this exact department handles your document or request.
  • Check the organization website or call its main line for the current fax number.
  • Include a cover sheet and any case, member, claim, or form reference required.
  • Keep the delivery confirmation with your submission records.

Fax enrollment documents to 844-832-0954 (Attn: Enrollment Center). Include identifying information (name, member ID) on each page.

Review official form instructions

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