Call History Showing for Some Listings
The opt-in feature means users will see a Google-assigned number, not the customer's actual phone number.
Call History Showing for Some Google Business Profile Listings
The Google-assigned number is auto-generated, meaning you will not have access to the individual's actual phone number. Even still, call history is useful for attentive business owners, as it provides the number of answered and missed calls. It is not difficult to extract meaningful information when business owners are able to discern patterns in the data. This is an opt-in feature and you will only be able to view the Google-assigned number of the user, not their actual phone number.