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Contact Costco Customer Service

Costco Phone Numbers and Emails

Toll-Free Number:

  • (800) 774-2678
    Membership
Call customer service
Send Message

Customer Service:

  • (800) 788-9968
    Business Delivery
  • (800) 249-8982
    Computershare
  • (855) 556-5283
    Costco Checks
  • (844) 765-0251
    Costco Home Improvement Installed Products
  • (800) 607-6861
    Costco Pharmacy
  • (855) 620-7579
    Costco Photo Center
  • (877) 849-2730
    Costco Travel
  • (800) 220-6000
    Manufacturer Rebates | Executive Reward Program
  • (800) 955-2292

Headquarters:

  • (425) 313-8100

Technical Support:

  • (866) 861-0450
    Costco Concierge Services

Costco Emails:

Customer Service
Costco Checks, Licensed Professions, Supplier Diversity
Investors/ Franchising
Legal
customerservice@costco.com
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Costco Customer Service Overview

The aggregated data is based on calls made from PissedConsumer.com website and questionnaires provided by PissedConsumer.com users.

  • More commonly used way of contact is by phone.

    Source Distribution
    91% phone 9% email

  • The best phone number to call Costco is 8007742678. 71% of consumers used this number to address their issues and concerns. It is also considered the best number to call, as 66% of customers reported contacting a real person successfully.

  • The average hold time is up to 3 minutes. The longest wait times are on Tuesday, while the shortest are on Sunday. The average call time is 6 minutes.

  • Be prepared for the call as Costco may ask you for the following information to identify you as a customer: first and last name, phone number or address or zip code.

View full overview ›

How to Contact Costco Customer Service?

Most Popular Number:

(800) 774-2678
Membership
Total calls: 4 008 Issues resolved: 208 Last call: Dec 3, 2025

To contact Costco customer service by phone, you can call the following numbers, depending on your questions and needs. For general customer service inquiries dial 1-800-774-2678, for online orders - 1-800-955-2292, for Costco.com pharmacy - 1-800-607-6851 and for Costco Photo Center - 1-855-620-7579

Costco customer service for membership and warehouse is available Monday through Friday from 6 am to 6 pm PT, and on Saturdays and Sundays from 8 am to 5 pm Pacific Time. For online orders the working hours are Monday to Friday to 5:00am to 8:00pm PT and Saturday and Sunday from 5:00am to 7:00pm PT

You can call the Costco membership customer service phone number at 1-800-774-2678. Alternatively, you may send them an email by visiting the "Contact Us" section on Costco website and selecting the email or live chat option from the "Contact Us" section.

PissedConsumer Club

Contact Information

Costco Website:

Costco Help Center:

Corporate Office Address:

Costco Wholesale Corporation
999 Lake Dr
Issaquah, Washington 98027
United States

Other Info (opening hours):

Mailing Address:

PO Box 34331

Seattle, WA 98124

More contact details

Costco Rating Based on 907 Reviews

Rating details

2.7 more details
Customer service
Product or Service Quality
Website
Exchange, Refund and Cancellation Policy
All 2K Costco reviews

Rating stats

Rating trend

How Good is Costco's Customer Service?

Brenda V Keg
Brenda V Keg
Feels Disappointed | Apr 14, 2025

There was no solution and I am waiting for it.

Read full quote
Charleen Otj
Charleen Otj
Feels Neutral | Oct 02, 2024

he escalated the call to corporate. He told me I would be reciveing a call within 48 hours. No contact back yet but still within the said time frame

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Sicilia Koe
Sicilia Koe
Feels Satisfied | Sep 28, 2024

Great experience but hoping they take care of the issues soon thanks

Read full quote
Ovie Mbg
Ovie Mbg
Feels Disappointed | Sep 15, 2024

Not a GOOD one I ordered something and it NEVER came what a SHAME?!!!

Read full quote
Norah Mrf
Norah Mrf
Feels Disappointed | Aug 04, 2024

I was a little bit disappointed as I need to my printer as so as possible

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Maureen B Htq
Maureen B Htq
Feels Satisfied | Jul 31, 2024

Excellent

Read full quote

Summary of Costco Customer Service Calls

5.7K TOTAL
CALLS
05:51 AVG CALL
DURATION
17% ISSUES
RESOLVED

Top Reasons of Customers Calls

Consumers Call the Most From

Why Do People Call Costco?

Request for Information Question:

  • “Question about playing bundle included for purchase”
  • “Need an appointment with Jane in hearing aide specialist”
  • “Trying to find out where”

Product/ Service Question:

  • “Broken item”
  • “Problem with AT&T wireless”
  • “Online order missing product”

Shipping and Delivery Question:

  • “Missing a package of my order!!!!”
  • “I'm trying to track my package”
  • “Order issue”

Account Question:

  • “My membership card never came”
  • “Gmail account recover”
  • “Regarding membership”

Cards Question:

  • “Would. Like my card mailed to me ASAP TY”
  • “Waiting for Costco Digital Shop Card”
  • “Visa card promo”

Payments and Charges Question:

  • “I paid for a Costco meat box. I want to know my order status”
  • “Charged for item no one has record of that bot number and email led back to costco”
  • “Bill”

Activation/ Cancellation Question:

  • “Cancelar membresia”
  • “Cancel membership”
  • “Cancel order”

Return/ Replace Question:

  • “Return”
  • “I need to change my address”
  • “Change of address”

Staff Question:

  • “Talk to customer service representative”
  • “Service problem with AT&T/Costco service has not delivered what it promised and never resolved my issues causing much stress”
  • “Customer service”

Website/ Application Question:

  • “TV installation”
  • “Bsthroom installation”
  • “Necesito que me instalen un mount TV que compré en Costco”

Refund Question:

  • “Refund for a membership”
  • “Refund of my membership”
  • “Refund for membership”

Employment Question:

  • “Job application status”
  • “Jobs”
  • “Driving job”

Other Question:

  • “Canselasion de membresia”
  • “Falla de la televisión”
  • “Order coming”

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