The numbering rules of China Industrial and Commercial Bank are as follows:

19 debit cards with digits 7 to 10 are card number areas;

2. The area code of16-digit credit card is on the left side of the validity period, which is also a 4-digit number;

The passbook is the number beginning with the previous four digits.

According to the numbering rules, this bank card belongs to Yantai City, Shandong Province.