The number in front of the old real estate license in Dalian should be 2 100.

What you want to ask is whether the prefix number of Dalian old real estate license is fixed at 2 100? No, according to the enquiry of China Travel Service. Com, Dalian's old real estate license number consists of 9 digits, which respectively represent different meanings. The first represents regional division, the second represents property category, the third represents property nature, and the fourth represents serial number. There is no fixed number, which varies according to the regional changes.