Partial hiding of phone number?

Hello Support,

Thank you for a great Plugin, it’s very nice indeed.

I have used it to develop http://vanguardhub.com/places/australia/nsw/the-domain/art-galleries/art-gallery-of-new-south-wales/

One of the Users are asking if its possible to hide the phone number so it’s only shown when someone signs up or yo need to click on it and it reveals the whole phone number.

I couldn’t see how to do this in the settings, hoping you can advise of a solution?

Cheers
Terry