What do the numbers in the phone number stand for?

The mobile phone number used in China is 1 1 digit, and each segment has a different coding direction: the first three digits-network identification number; 4th-7th digits-area code (attribution); Number 8- 1 1- user number (personal code).

The telephone number is the number set by the telephone management department for the telephone. Generally, it consists of 7-8 digits (mobile phone number is 1 1 digit), with 5-6 digits in the early stage.

The designated number set by enterprises, organizations, factories, mines and institutions for internal communication such as fixed telephones or mobile phones is generally 4-8 digits in length. It is also equivalent to the number and name of each mobile phone.

Extended data:

I. Digital segment

1, China mobile number segment: 134, 135, 136, 137, 138, 139,1. 147、 182、 183、 184、 187、 188、 1705、 178

2. China Unicom number segment: 130, 13 1 32, 145( 145 belongs to Unicom wireless network card number segment), 155,/. [ 1]? 、 166

3. China electric signal section: 133, 153, 180,18, 189, 1700,/kloc-0.

Virtual operator sections cooperating with Unicom: 1709, 1708, 1707, 17 18,17/9; In addition, the newly added sections starting from 17 13, 17 15, 17 17 are under configuration and have not been opened yet.

Second, the distribution planning

Telecom service numbers starting with 10, such as 103 international semi-automatic registration, 108 international collect call, 10000 China Telecom Service Center,100 China Unicom Service Center,/kloc-0. 1001/China Unicom recharge inquiry service line, 10050 China tietong service center, 10070 China satellite service center, 10086 China mobile service center, etc.

Start with 12, and give the civil special numbers, such as 120 (hospital), 12 1 (weather forecast), 122 (traffic accident alarm),123/kloc-.

12348 (legal consultation), 12358 (price reporting center), 12365 (quality supervision), 12366 (tax service), 12369 (environmental complaint),

Therefore, when assigned to mobile phone users, the number segment starts with 13. Later, 130~ 132 was designated as Unicom, and 134~ 139 was designated as Mobile.

3G mobile phones with TD-SCDMA serial numbers beginning with 188 will have pre-selected test users using the mobile phone numbers beginning with "188" one after another, taking the lead in trying out TD-SCDMA networks in several big cities such as Beijing, Qingdao, Xiamen and Baoding.

Baidu encyclopedia-phone number