China Post Tracking Number Formats
The most common tracking number format is a combination of 13 alphabetic and numeric characters, usually starting with 2 alphabets, following by 9 digits, and ending by “CN” The most used formats:
- starts with “R” and ends with “CN”, e.g. RZ123321123CN
- starts with “CP” and ends with “CN”, e.g. CP123321123CN
- starts with “E” and ends with “CN”, e.g. EA123321123CN
- starts with “L” and ends with “CN”, e.g. LA123321123CN