diff --git a/library/Exceptions/SubdivisionCode/AoSubdivisionCodeException.php b/library/Exceptions/SubdivisionCode/AoSubdivisionCodeException.php
new file mode 100644
index 00000000..7dd969e3
--- /dev/null
+++ b/library/Exceptions/SubdivisionCode/AoSubdivisionCodeException.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 Angola subdivision code.
+ *
+ * ISO 3166-1 alpha-2: AO
+ */
+class AoSubdivisionCodeException extends SubdivisionCodeException
+{
+    public static $defaultTemplates = array(
+        self::MODE_DEFAULT => array(
+            self::STANDARD => '{{name}} must be a subdivision code of Angola',
+        ),
+        self::MODE_NEGATIVE => array(
+            self::STANDARD => '{{name}} must not be a subdivision code of Angola',
+        ),
+    );
+}
diff --git a/library/Rules/SubdivisionCode/AoSubdivisionCode.php b/library/Rules/SubdivisionCode/AoSubdivisionCode.php
new file mode 100644
index 00000000..fcd91e6d
--- /dev/null
+++ b/library/Rules/SubdivisionCode/AoSubdivisionCode.php
@@ -0,0 +1,47 @@
+<?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 Angola subdivision code.
+ *
+ * ISO 3166-1 alpha-2: AO
+ *
+ * @link http://www.geonames.org/AO/administrative-division-angola.html
+ */
+class AoSubdivisionCode extends AbstractSearcher
+{
+    public $haystack = array(
+        'BGO', // Bengo
+        'BGU', // Benguela province
+        'BIE', // Bie
+        'CAB', // Cabinda
+        'CCU', // Cuando-Cubango
+        'CNN', // Cunene
+        'CNO', // Cuanza Norte
+        'CUS', // Cuanza Sul
+        'HUA', // Huambo province
+        'HUI', // Huila province
+        'LNO', // Lunda Norte
+        'LSU', // Lunda Sul
+        'LUA', // Luanda
+        'MAL', // Malange
+        'MOX', // Moxico
+        'NAM', // Namibe
+        'UIG', // Uige
+        'ZAI', // Zaire
+    );
+
+    public $compareIdentical = true;
+}