An Angular package for entering and validating international telephone numbers. It adds a flag dropdown to any input, detects the user's country, displays a relevant placeholder, and provides formatting/validation methods.
https://www.npmjs.com/package/ngx-int...
https://github.com/jackocnr/intl-tel-...
npm i intl-tel-input @types/intl-tel-input -f
node_modules/intl-tel-input/build/css/intlTelInput.css