What number does YTO Express need to pick up the courier?

YTO Express pickup codes all start with 2, 3, or 45. They are all composed of 6 digits or letters, and the pickup codes are different in each place. Usually it is 3~5 or 12~18. There is also a letter in the middle, either B or D. So they are all sent by courier. The courier pickup code is different. Generally, it is sent to a text message. You can pick up the package with the pickup code on your mobile phone.