This is the numbered mobile application for converting mobile phones from 11 numbers to 10 numbers. Construction application based on the Decision No. 798 / QD-BTTTT dated 25/5/2018 of the Ministry of Information and Communication on the issuance of the network code conversion plan. The application has the following features: Provide information on the roadmap for the conversion. The code table converts the numbers of mobile networks. + Notification of the conversion schedule to the user upon th