Hello, my name is ***** ***** I will be assisting you today. My guess is the "Yahoo Customer Care" wasn't actually yahoo, just a business set up to bill you for services that are Yahoo-related.
That being said, there is a way to reactivate a Yahoo account as long as it wasn't deactivated for violation of their terms of service or deactivated due to inactivity.
In order to do this, please follow the directions on the following web page to get your yahoo account (email) reactivated:
Let me know how it goes.
Hello, this is Gary from JustAnswer just checking in to see if you need further assistance.