At the end of 1997, the former China Telecom (in 2000, its mobile business was split to form China Mobile) applied to the former Ministry of Posts and Telecommunications for three new network numbers: 137, 136, 135, Canada 139 and/kloc.

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; Number 8- 1 1- user number. ?

Telephone number classification:

At present, China Mobile has 139, 138, 137, 136, 135, 134, 159 and/kloc-0. This is also the general opening order.

The existing numbers of China Unicom are: 130, 13 1, 132, 155, 156, 186 and1. The 3G exclusive numbers are 186 and 185. The unique number segment of the wireless network card is 145.

China electric signal section: 189, 133, 180, 153, etc.