The attribution of the mobile phone number refers to the attribution of the number, such as the number of Guangdong Province displayed by the number, indicating that the number belongs to Guangzhou, Guangdong.
When you answer the phone with a smart phone, it will basically show where the phone number comes from. This place is also the place where the number belongs, and the unit where the number belongs is the city. A mobile phone number, its attribution is unchanged, no matter how many people register and cancel this number.
Numbers can be ported to the network.
Since 2009, under the planning guidance of the Ministry of Industry and Information Technology (formerly the Ministry of Information Industry), China has begun to prepare for the implementation of pilot port number transfer in Tianjin and Hainan, 20 14.
Jiangxi, Hubei and Yunnan provinces were added to the second batch of port number transfer pilots. Up to now, pilot cities that have been approved for port number transfer include Hainan, Tianjin, Hubei, Yunnan and Jiangxi. Users in these five provinces can switch networks freely between China Mobile, China Telecom and China Unicom without changing their mobile phone numbers.