diff --git a/library/Exceptions/SubdivisionCode/CoSubdivisionCodeException.php b/library/Exceptions/SubdivisionCode/CoSubdivisionCodeException.php
new file mode 100644
index 00000000..11d9fabc
--- /dev/null
+++ b/library/Exceptions/SubdivisionCode/CoSubdivisionCodeException.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 Colombia subdivision code.
+ *
+ * ISO 3166-1 alpha-2: CO
+ */
+class CoSubdivisionCodeException extends SubdivisionCodeException
+{
+    public static $defaultTemplates = array(
+        self::MODE_DEFAULT => array(
+            self::STANDARD => '{{name}} must be a subdivision code of Colombia',
+        ),
+        self::MODE_NEGATIVE => array(
+            self::STANDARD => '{{name}} must not be a subdivision code of Colombia',
+        ),
+    );
+}
diff --git a/library/Rules/SubdivisionCode/CoSubdivisionCode.php b/library/Rules/SubdivisionCode/CoSubdivisionCode.php
new file mode 100644
index 00000000..afcb9a9e
--- /dev/null
+++ b/library/Rules/SubdivisionCode/CoSubdivisionCode.php
@@ -0,0 +1,62 @@
+<?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 Colombia subdivision code.
+ *
+ * ISO 3166-1 alpha-2: CO
+ *
+ * @link http://www.geonames.org/CO/administrative-division-colombia.html
+ */
+class CoSubdivisionCode extends AbstractSearcher
+{
+    public $haystack = array(
+        'AMA', // Amazonas
+        'ANT', // Antioquia
+        'ARA', // Arauca
+        'ATL', // Atlantico
+        'BOL', // Bolivar
+        'BOY', // Boyaca
+        'CAL', // Caldas
+        'CAQ', // Caqueta
+        'CAS', // Casanare
+        'CAU', // Cauca
+        'CES', // Cesar
+        'CHO', // Choco
+        'COR', // Cordoba
+        'CUN', // Cundinamarca
+        'DC', // Bogota D.C.
+        'GUA', // Guainia
+        'GUV', // Guaviare
+        'HUI', // Huila
+        'LAG', // La Guajira
+        'MAG', // Magdalena
+        'MET', // Meta
+        'NAR', // Narino
+        'NSA', // Norte de Santander
+        'PUT', // Putumayo
+        'QUI', // Quindio
+        'RIS', // Risaralda
+        'SAN', // Santander
+        'SAP', // San Andres y Providencia
+        'SUC', // Sucre
+        'TOL', // Tolima
+        'VAC', // Valle del Cauca
+        'VAU', // Vaupes
+        'VID', // Vichada
+    );
+
+    public $compareIdentical = true;
+}