Google tests clickable phone numbers in organic search results
Google is now experimenting with click to call on the organic side. They've done this with ads and local before.
Google is testing displaying clickable phone numbers in the organic search results on mobile.
Google has allowed searchers to click on phone numbers to dial the business from the ad side and the local listings side, but we’ve never seen it on the organic side.
Google is always experimenting, and this is one of those experiments.