The difference between the unified social credit codes of enterprises and individual industrial and commercial households in Hebei is the difference between 91 and 92. According to the query of relevant public information: The difference between unified social credit codes 91 and 92 is that they represent different units. Code 91 refers to enterprises, and code 92 refers to individual industrial and commercial households. Therefore, enterprises and individual industrial and commercial households are unified in society. The difference between credit codes in Hebei is 91 and 92.