The ID card at the beginning of this number is the administrative division code of Haiyang City, Yantai City, Shandong Province.

The domicile of these ID cards is Haiyang City, Yantai City, Shandong Province. The first six digits of the ID number (i.e. 370687) represent the administrative division code of the domicile, in which: 37 represents Shandong Province, 06 represents Yantai City and 87 represents Haiyang City.