priceline的电话怎么拨打，怎么拨打都提示空号？

Dear priceline CustomerIn order to better assist you, we have made arrangements for you to speak with a Customer Care Consultant.Please call us at +800 774 23546 when calling from China. If you are calling from the United States or Canada , please dial 1-800-774-2354.


拨打+800 774 23546这个号码要怎么拨打，我用手机和固话拨打都提示是空号