How to tell if the middle section of the number starting with 153 is an Ankang number?

According to the numbering rules.

According to the numbering rules of China Telecom, the middle number segments of numbers starting with 153 are: 153, 180, 18 1, 189, 177 and/kloc.

Ankang Code, the full name of Anhui Health Code, is an electronic passport in the form of two-dimensional code for relevant departments, employers and communities to comprehensively judge personal health risk levels.