**To enable Availability Zones for a load balancer** This example adds the specified Availability Zone to the specified load balancer. Command:: aws elb enable-availability-zones-for-load-balancer --load-balancer-name my-load-balancer --availability-zones us-west-2b Output:: { "AvailabilityZones": [ "us-west-2a", "us-west-2b" ] }