Travels by Tracie

Company contact entry

Costco

costco.comUnited States

Company-published telephone

Membership and warehouse (US)

+1 800-774-2678
USToll-free in listed regionMon–Fri 6am–6pm PT; Sat–Sun 8am–5pm PT
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About this number

Calls go directly to Costco’s listed department. Travels by Tracie publishes this entry independently.

Source: customerservice.costco.comSource checked Sep 20, 2026

Mobile or international charges may apply.

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Before you contact Costco

Costco lists a phone contact for membership and warehouse (US). Check the source for the relevant location and any hours before calling.

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