How to change the mask of the contact numbers on Android?
Adding the 9th (ninth) digit to mobile numbers?
How to add the area code to contacts?
And the international code?

ContactFormat add special settings that allow you to customize your contacts easily.

Features:

- Number formatting
Organize your contacts by changing the number mask.

- 9 digit
Add the ninth digit to easily and intelligently only to contacts where it is needed.

- International Country Code
Easily add the country code desired to contacts.

- DDD
The area code can be added quickly to only those numbers they need.

- Operator prefix
A very simple way to add the operator prefix and save the links.

- Customization
Select what you want. Check how it was. Apply now or later. ;)

Many features. Free. No ads.