SF Express number consists of several numbers.

SF Express number 12. The SF Express waybill number consists of 12 digits. The first three digits are the area code, and the codes in different regions are different. In the middle is the courier code, which is used for anti-counterfeiting, and the last one is the computer identification code, which circulates from 0 to 9. At present, it usually starts with the last three digits of the telephone area code, except for some cities, such as Guangzhou and Shanghai, which are 106 and 200 respectively. There is no letter in front of SF's single number.

The express delivery number is the unique identification code of the express package, which contains the detailed information of the recipient's express mail, usually consisting of numbers and letters. The courier number can facilitate the courier company, the sender and the recipient to track the courier information in real time. Each courier company's courier number has rules to follow, and users can roughly judge which courier company sent it from the courier number.

Other express orders include: Jingdong Logistics order number. : 15 digits and letters, usually starting with JD. EMS single number: before 20 13, it consists of 13 letters and numbers, with two English digits before and after, the first fixed digit is E, and the last digit is CS. After the postal reform of 20 13, the bill number should be 13, but there is no bill number of 12.

Cross express waybill number: 10 letters and numbers, starting with KYE letter. You don't need to enter letters when querying, just enter numbers directly. Tong Yuan single number: 10 alphanumeric character, usually starting with 1**, 2**, 8** or D**. The order number was upgraded from 1 0 to 12 on June 20 14.