Costco Business Hours
Costco is a membership wholesale club that sells products for home and business use. As one of the leading wholesale warehouses in the country, customer service is a critical aspect of daily operations. If you need to connect with the customer service department [+], you will need to reach out through social media, by phone, email or traditional mail.
Costco Regular Business Hours
- Weekdays: The customer service department is open daily 10am to 8:30pm, local time. The business center is open daily from 7am to 6pm, local time.
- Weekends: The customer service department is open Saturday 9:30am to 6pm and Sunday 10am to 6pm, local time. The business center is open Saturday 7am to 4pm and closed Sunday. In the event a holiday falls on a weekday or weekend, Costco is closed for business.
Costco Holiday Hours
The Costco website offers details relating to hours of operation. When you connect with the customer service department, you will notice the company observes Federal holidays. The holidays observed include:
- Memorial Day
- Independence Day
- Labor Day
- Thanksgiving Day
- Christmas Day
Costco Special Event Hours
The company holds special events from time to time. You will need to contact the customer service department to discuss the hours of the special events.
Contacting Costco to Verify Business Hours
- Phone Number: Customers have the opportunity to reach out to the customer service department by calling 1-800-955-2292. If you need assistance with member services, you will need to call 1-800-774-2678. Travel customers will need to call 1-877-849-2730. If you need to reach the pharmacy, call 1-800-607-6861. Business customers will need to call 1-800-788-9968.
- Email Contact: When you send an email to the customer service department, you will need to use the customer feedback form [+]. After you send your email, you will receive a response within 24 hours.
- Mail: You can send your correspondence to the corporate headquarters here: Costco Corporate P.O. Box 34331 Seattle, WA 98124 or Costco Corporate 999 Lake Drive Issaquah, WA 98027.
- Social Media: Customers can connect with the customer service department through social media. When you post a message on Facebook [+], you will receive a response from the customer service department within 24 hours.