My desktop computer wants to auto-populate the phone field, but clickin

My desktop computer wants to auto-populate the phone field, but clicking a selection does not populate the field as expected. What's up here?

Thanks

Could you please let us know in which Browser are you checking this form?

I wasn't able to replicate any issue, I tested in multiple Browsers.

Also, please let us know what exactly is the problem so we can have a better understanding.

Thank you!