Where is the telephone number of1506 * * 71813?

In fact, you can't find where you belong without knowing the complete figures.

If the two you don't know are 1 1, it is Yancheng, Jiangsu.

If it is 22, it is Nanjing, Jiangsu.

33, Jinan, Shandong.

44, Weifang, Shandong.

55, Rizhao, Shandong.

66, Jinan, Shandong.

77, Wenzhou, Zhejiang.

88, from Hangzhou, Zhejiang.

99, Linyi, Shandong.

It's really cultured. Do it yourself