/kloc-What does a 0/7 digit phone number stand for?

Represents the national mobile phone recharge card number.

The card number of the national mobile phone recharge card is 17 digits. There is no phone number with 17 digits, and its effective number is the first eleven digits. Generally, the telephone number consists of 7-8 digits (the mobile phone number is 1 1 digit), and there were 5-6 digits in the early days.

The digits of the telephone number represent the following meanings: 1, and the first three digits are the network identification number (belonging to an operator). 2. The 4th-7th digits are the area code (belonging to a city). 3. Bit 8- 1 1 is the user number (randomly assigned).