Prefix 0126 belonging to Mobifone is also one of the numbers that will be converted under the new regulations, so what does prefix 0126 turn into? You can refer to the article below.
Prefix 0126 changed to 076
Example: Subscriber 0126.1323.987 changes to 076.1323.987
What does the prefix 0126 turn into?
https://thuthuat.taimienphi.vn/dau-so-0126-chuyen-thanh-gi-42625n.aspx
In addition, if you want to convert all subscribers in your contacts, you can refer to how