diff --git a/library/Exceptions/SubdivisionCode/AtSubdivisionCodeException.php b/library/Exceptions/SubdivisionCode/AtSubdivisionCodeException.php
new file mode 100644
index 00000000..89bd5a74
--- /dev/null
+++ b/library/Exceptions/SubdivisionCode/AtSubdivisionCodeException.php
@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+namespace Respect\Validation\Exceptions\SubdivisionCode;
+
+use Respect\Validation\Exceptions\SubdivisionCodeException;
+
+/**
+ * Exception class for Austria subdivision code.
+ *
+ * ISO 3166-1 alpha-2: AT
+ */
+class AtSubdivisionCodeException extends SubdivisionCodeException
+{
+    public static $defaultTemplates = array(
+        self::MODE_DEFAULT => array(
+            self::STANDARD => '{{name}} must be a subdivision code of Austria',
+        ),
+        self::MODE_NEGATIVE => array(
+            self::STANDARD => '{{name}} must not be a subdivision code of Austria',
+        ),
+    );
+}
diff --git a/library/Rules/SubdivisionCode/AtSubdivisionCode.php b/library/Rules/SubdivisionCode/AtSubdivisionCode.php
new file mode 100644
index 00000000..e76f0355
--- /dev/null
+++ b/library/Rules/SubdivisionCode/AtSubdivisionCode.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+namespace Respect\Validation\Rules\SubdivisionCode;
+
+use Respect\Validation\Rules\AbstractSearcher;
+
+/**
+ * Validator for Austria subdivision code.
+ *
+ * ISO 3166-1 alpha-2: AT
+ *
+ * @link http://www.geonames.org/AT/administrative-division-austria.html
+ */
+class AtSubdivisionCode extends AbstractSearcher
+{
+    public $haystack = array(
+        '1', // Burgenland
+        '2', // Karnten
+        '3', // Niederosterreich
+        '4', // Oberosterreich
+        '5', // Salzburg
+        '6', // Steiermark
+        '7', // Tirol
+        '8', // Vorarlberg
+        '9', // Wien
+    );
+
+    public $compareIdentical = true;
+}