It would be based on the number itself. Obviously with local number portability this is not super accurate, but we do have some customers that find the data useful nevertheless.
I filed a support ticket the other day because I was curious, and this was the response I got:
```
Right now there are no plans to add this ability to this feature but I'm sure it's something we would look at as we go along. We really weren't sure this was a viable feature but enough people made noise so we developed it to help companies be more efficient when sending and calling the people they need to connect with.
```
