Costco holidays and customer service phone number Online shopping mall website
Costco’s customer service phone number is 1899-9900. The customer center is open from 9 AM to 9 PM. Closed on January 1, Lunar New Year’s Day, and Chuseok. For inquiries about Costco stores, please email: member@costcokr.com. For inquiries about Costco’s online mall, please email: cs@costcokr.com.
Costco holidays and customer service phone numbers
Costco holidays and customer service phone numbers
Membership card registration/change information
Membership card renewal information
Store related information
Store refund/return information
Online product/delivery inquiry
Online payment/refund inquiry
Online membership registration inquiries and other
👇Please check the Costco online shopping mall website below for more information.
Costco online shopping mall homepage
Ulsan Costco closed days
Ulsan Costco is closed on January 1st (Sunday), January 11th (Wednesday), January 21st (Sat), and January 22nd (Sunday), Lunar New Year. Please refer to the table below for Costco’s closing days.
Costco holidays and customer service phone numbers
Ilsan Uijeongbu Gwangmyeong
Sejong Daejeon Daegu
Songdo Cheonan Others
Sign up and cancel Costco membership
There are two ways to sign up for Costco membership: visit a Costco store in person and sign up at the membership desk, or sign up online. If you would like to sign up for online membership, you can apply through the Costco website.
To cancel your Costco membership, please visit the store or contact customer service (1899-9900). If you are a new or renewed Costco member online, you can also cancel your membership using the link below. After withdrawal of membership, you will not be able to use services provided by Costco, such as using the online mall, product refunds, or recall letter notification.
👇Please check below for detailed information on signing up and canceling your Costco membership.
Sign up and cancel Costco membership
BEST 5 Costco Recommended Products
The BEST 5 Costco recommended products are as follows.
Kirkland Paper Fabric Softener
Kirkland UltraClean Detergent
kirkland bottled water
Kleenex Deco & Soft
Heineken Draft Keg
👇See more recommended Costco products. Check below for more information.
See more Costco recommended products
Costco business hours
Costco business hours are 10:00 AM – 10:00 PM. In accordance with government policy and the Distribution Industry Development Act, we are closed on the second and fourth Sundays of every month. Closed on January 1st, Lunar New Year’s Day, and Chuseok holidays, and open until 7pm on the previous day.
Costco monthly discount products (January to December)
Before visiting Costco’s offline store, check the online mall for discounts or recommended products before visiting. Online malls may be more expensive, and actual stores have monthly discounts, so be sure to check.
Discounted products vary not only by month but also by week. Monthly discount products are as follows: For detailed discount products, please check the link below.
Gold Standard Whey Protein Supplement 2.74kg
All Gain Organic Vegetable Protein Powder 1.43kg
Skechers Women’s Sneakers
Nescafe Dolce Gusto Capsule Coffee Machine Infinissima Touch
Puma Men’s French Terry Jogger Pants
Adidas men’s sports socks 6 feet
Nutrione BB The Collagen Up 20g
BNR17 Diet Lactobacillus BIE Slim S 50 Capsules
Scotchbrite double action cleaning mop set handle + 44 cleaning cloths
Kirkland Signature Dog Pads (100 sheets)
👇Costco monthly discount products (January to December) Check below for detailed information.
Costco monthly discount products (January to December)