diff --git a/library/Exceptions/SubdivisionCode/AdSubdivisionCodeException.php b/library/Exceptions/SubdivisionCode/AdSubdivisionCodeException.php
new file mode 100644
index 00000000..858b1dc9
--- /dev/null
+++ b/library/Exceptions/SubdivisionCode/AdSubdivisionCodeException.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 Andorra subdivision code.
+ *
+ * ISO 3166-1 alpha-2: AD
+ */
+class AdSubdivisionCodeException extends SubdivisionCodeException
+{
+    public static $defaultTemplates = array(
+        self::MODE_DEFAULT => array(
+            self::STANDARD => '{{name}} must be a subdivision code of Andorra',
+        ),
+        self::MODE_NEGATIVE => array(
+            self::STANDARD => '{{name}} must not be a subdivision code of Andorra',
+        ),
+    );
+}
diff --git a/library/Rules/SubdivisionCode/AdSubdivisionCode.php b/library/Rules/SubdivisionCode/AdSubdivisionCode.php
new file mode 100644
index 00000000..9e5e9dc0
--- /dev/null
+++ b/library/Rules/SubdivisionCode/AdSubdivisionCode.php
@@ -0,0 +1,36 @@
+<?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 Andorra subdivision code.
+ *
+ * ISO 3166-1 alpha-2: AD
+ *
+ * @link http://www.geonames.org/AD/administrative-division-andorra.html
+ */
+class AdSubdivisionCode extends AbstractSearcher
+{
+    public $haystack = array(
+        '02', // Canillo
+        '03', // Encamp
+        '04', // La Massana
+        '05', // Ordino
+        '06', // Sant Julia de Lòria
+        '07', // Andorra la Vella
+        '08', // Escaldes-Engordany
+    );
+
+    public $compareIdentical = true;
+}