Today we will learn about Costco’s closing days, business hours, and store locations. In the case of large supermarkets, there are regular closing days stipulated by law. Most large supermarkets are closed on the second and fourth weeks of every month, but not all branches are like this.
There are a total of 18 Costco stores nationwide. Closing days and business hours may vary slightly by store, so please check before visiting.
Costco closed days
Costco is closed on the second and fourth Sundays of every month. However, please note that the mandatory closing days are different for the Ulsan and Ilsan branches.
Costco closed days
Ulsan branch closed: 2nd Wednesday, 4th Sunday of every month
Ilsan Branch Closed: Second and fourth Wednesdays of every month
Costco stores nationwide have regular holidays on January 1, Lunar New Year’s Day, and Chuseok, and are open until 7 p.m. on the previous day. Costco’s closing days are updated monthly on the website, so please check the website for accurate information about the store you plan to visit before visiting.
Costco business hours
There are currently 18 Costco stores. Basically, they are open from 10 AM to 10 PM, but some stores have different times. They are summarized in the table below, so please check the business hours of each branch.
Costco closed days
Metropolitan area (Seoul, Gyeonggi, Incheon)
Branch name business hours
Gocheok Branch 10 a.m. to 10 p.m.
Gongse branch 10 a.m. to 9:30 p.m.
Gwangmyeong Branch 8:00 am – 9:00 pm
Songdo branch 9:00 am – 10:00 pm
Uijeongbu Branch 10 a.m. to 10 p.m.
Sangbong branch 10 a.m. to 10 p.m.
Yangjae Branch 8:00 am – 10:00 pm
Hanam branch 10am – 10pm
Yangpyeong Branch 10 a.m. to 10 p.m.
Ilsan Branch 10:00 AM – 10:00 PM
Chungcheong region (Daejeon, South Chungcheong, Sejong)
Branch name business hours
Daejeon branch 10 am to 10 pm
Sejong Branch 10 a.m. to 10 p.m.
Cheonan branch 10 am to 10 pm
Gyeongsang region (Daegu, Busan, Ulsan)
Branch name business hours
Gimhae Branch 10:00 AM – 10:00 PM
Daegu Innovation City Branch 9:30 a.m. – 10 p.m.
Daegu branch 9:00 am – 10:00 pm
Busan Branch 10am – 10pm
Ulsan Branch 10:00 AM – 10:00 PM
Costco store locations nationwide
There are currently 18 Costco stores operating nationwide. The photo below shows the approximate location of the stores and the order in which they open. Please refer to the table below for detailed addresses.
Costco closed days
Metropolitan area (Seoul, Gyeonggi, Incheon)
Branch name Store address
Gocheok Branch, 49 Gyeongin-ro 43-gil, Guro-gu, Seoul
(100-7 Gocheok-dong)
Gongse Branch 38 Tapsil-ro, Giheung-gu, Yongin-si, Gyeonggi-do (734-1 Gongse-dong)
Gwangmyeong Branch 40 Iljik-ro, Gwangmyeong-si, Gyeonggi-do (Iljik-dong 163-3)
Songdo Branch 60 Convensia-daero 230beon-gil, Yeonsu-gu, Incheon (Songdo-dong 98)
Uijeongbu Branch 9, Yongmin-ro 489beon-gil, Uijeongbu-si, Gyeonggi-do (162-2, Millak-dong)
Sangbong Branch 336 Mangu-ro, Jungnang-gu, Seoul (Sangbong-dong 81)
Yangjae Branch 159 Yangjae-daero, Seocho-gu, Seoul (Yangjae-dong 217-6)
Hanam Branch 40 Misagangbyeonjungang-ro, Hanam-si, Gyeonggi-do (609 Pungsan-dong)
Yangpyeong Branch 156 Seonyu-ro, Yeongdeungpo-gu, Seoul (65 Yangpyeong-dong 3-ga)
Ilsan Branch 25 Jangbaek-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do (Baekseok-dong 1312)
Chungcheong region (Daejeon, South Chungcheong, Sejong)
Branch name Store address
Daejeon Branch 41 Oryu-ro, Jung-gu, Daejeon (Oryu-dong 116-3)
Sejong Branch, 14 Sports Complex 1-ro, Sejong Special Self-Governing City (584-7, Daepyeong-dong)
Cheonan Branch 77, 6-ro, 3rd Industrial Complex, Seobuk-gu, Cheonan-si, Chungcheongnam-do (Chaam-dong 438)
Yeongnam region (Daegu, Busan, Ulsan)
Branch name Store address
Gimhae Branch, 16, Seoncheonnam-ro, Juchon-myeon, Gimhae-si, Sangnam-do
(Cheongok-ri 1522)
Daegu Innovation City Branch 10 Cheomdan-ro, Dong-gu, Daegu (1187 Sinseo-dong)
Daegu Branch 97 Geomdan-ro, Buk-gu, Daegu Metropolitan City (1817 Sangyeok-dong)
Busan Branch 137 Gurak-ro, Suyeong-gu, Busan
(195-1 Mangmi-dong)
Ulsan Branch 78-12, Jinjangyutong-ro, Buk-gu, Ulsan Metropolitan City
(Jinjang-dong 283-3)
finish
In this way, we learned about Costco’s closing days, business hours, and store locations. Please check the closing days and business hours of the store you plan to visit, and also refer to the store location. The customer center is operated in an integrated manner, and the customer center phone number is 1899-9900.
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