Now available – Zone redundant configuration for premium service tier of Azure SQL Database—GA
Announcing the general availability of zone redundant premium databases and elastic pools in select regions. The built-in support of Availability Zones further enhances business continuity of Azure SQL Database applications and makes them resilient to a much larger set of unplanned events, including catastrophic datacenter outages. The supported regions include Central US and France Central with more regions to be added over time.
Source: Azure Roadmap