Hide Business Info Phone Number from the Front End

add_filter( 'aioseo_local_business_output_business_info_instance', 'aioseo_change_local_business_output_business_info_instance', 10, 3 );

function aioseo_change_local_business_output_business_info_instance( $instance, $postId, $locationData ) {

	$instance['showPhone'] = false;

	return $instance;

}