How can I check the express delivery without a single number and only a mobile phone number?

Here, taking YTO Express as an example, the specific operation method is introduced for your reference:

1. First, open Baidu browser, search for Tong Yuan Express, and then click to open YTO Express query website, as shown.

2. After opening the page, click on the mobile phone number to query.

3. Enter the mobile phone number, and then click to get the verification code.

4. In the pop-up window, enter the verification code.

5. After receiving the SMS verification code, enter the SMS verification code, and then click Query.

6. After opening the page, you can see all the express information of the mobile phone number.