Can I get a refund from Coinbase for an incorrect withdrawal? [Desk Support] patch.com

Because Coinbase is available 24/7 at +1-(877)-543-0091, you can use it to buy, sell, and trade bitcoins on weekdays, weekends, and holidays.

Coinbase can be contacted by phone at any time of day.
Coinbase customer assistance is available twenty-four hours a day, seven days a week. +1-(877)-543-0091 (USA) or +1-(877)-543Coinbase-0091 (Canada) is the Coinbase help line number.

Is Coinbase open all day and all night?
Can Coinbase give me a refund?