diff --git a/i18n/states/TZ.php b/i18n/states/TZ.php
index 4b39f1da957..d3ba938bb44 100644
--- a/i18n/states/TZ.php
+++ b/i18n/states/TZ.php
@@ -1,37 +1,44 @@
 <?php
 /**
- * TZ states
+ * Tanzania States
  *
- * @author      Lev @ Extreme Web Technologies Ltd
+ * @author      Lev and Mohsin @ Extreme Web Technologies Ltd
  * @category    i18n
  * @package     WooCommerce/i18n
  * @version     2.0.0
+ * @notes		Based on English names published at https://en.wikipedia.org/wiki/ISO_3166-2:TZ
  */
 global $states;
 
 $states['TZ'] = array(
-	'AR'  => __( 'Arusha', 'woocommerce' ),
-	'DSM'  => __( 'Dar es Salaam', 'woocommerce' ),
-	'DO'  => __( 'Dodoma', 'woocommerce' ),
-	'IR' => __( 'Iringa', 'woocommerce' ),
-	'KA'  => __( 'Kagera', 'woocommerce' ),
-	'KI'  => __( 'Kigoma', 'woocommerce' ),
-	'KIL'  => __( 'Kilimanjaro', 'woocommerce' ),
-	'LI'  => __( 'Lindi', 'woocommerce' ),
-	'MA'  => __( 'Manyara', 'woocommerce' ),
-	'MAR'  => __( 'Mara', 'woocommerce' ),
-	'MB'  => __( 'Mbeya', 'woocommerce' ),
-	'MOR'  => __( 'Morogoro', 'woocommerce' ),
-	'MT'  => __( 'Mtwara', 'woocommerce' ),
-	'MW'  => __( 'Mwanza', 'woocommerce' ),
-	'PI'  => __( 'Pemba Island', 'woocommerce' ),
-	'PW'  => __( 'Pwani', 'woocommerce' ),
-	'RU'  => __( 'Rukwa', 'woocommerce' ),
-	'RUV'  => __( 'Ruvuma', 'woocommerce' ),
-	'SHI'  => __( 'Shinyanga', 'woocommerce' ),
-	'SI'  => __( 'Singida', 'woocommerce' ),
-	'TAB'  => __( 'Tabora', 'woocommerce' ),
-	'IG'  => __( 'Igunga', 'woocommerce' ),
-	'TA'  => __( 'Tanga', 'woocommerce' ),
-	'ZAN'  => __( 'Zanzibar', 'woocommerce' ),
+	'TZ01'  => __( 'Arusha', 'woocommerce' ),
+	'TZ02'  => __( 'Dar es Salaam', 'woocommerce' ),
+	'TZ03'  => __( 'Dodoma', 'woocommerce' ),
+	'TZ04' => __( 'Iringa', 'woocommerce' ),
+	'TZ05'  => __( 'Kagera', 'woocommerce' ),
+	'TZ06'  => __( 'Pemba North', 'woocommerce' ),
+	'TZ07'  => __( 'Zanzibar North', 'woocommerce' ),
+	'TZ08'  => __( 'Kigoma', 'woocommerce' ),
+	'TZ09'  => __( 'Kilimanjaro', 'woocommerce' ),
+	'TZ10'  => __( 'Pemba South', 'woocommerce' ),
+	'TZ11'  => __( 'Zanzibar South', 'woocommerce' ),
+	'TZ12'  => __( 'Lindi', 'woocommerce' ),
+	'TZ13'  => __( 'Mara', 'woocommerce' ),
+	'TZ14'  => __( 'Mbeya', 'woocommerce' ),
+	'TZ15' => __( 'Zanzibar West', 'woocommerce' ),
+	'TZ16'  => __( 'Morogoro', 'woocommerce' ),
+	'TZ17'  => __( 'Mtwara', 'woocommerce' ),
+	'TZ18'  => __( 'Mwanza', 'woocommerce' ),
+	'TZ19'  => __( 'Coast', 'woocommerce' ),
+	'TZ20'  => __( 'Rukwa', 'woocommerce' ),
+	'TZ21'  => __( 'Ruvuma', 'woocommerce' ),
+	'TZ22'  => __( 'Shinyanga', 'woocommerce' ),
+	'TZ23'  => __( 'Singida', 'woocommerce' ),
+	'TZ24'  => __( 'Tabora', 'woocommerce' ),
+	'TZ25'  => __( 'Tanga', 'woocommerce' ),
+	'TZ26'  => __( 'Manyara', 'woocommerce' ),
+	'TZ27' => __( 'Geita', 'woocommerce' ),
+	'TZ28'  => __( 'Katavi', 'woocommerce' ),
+	'TZ29'  => __( 'Njombe', 'woocommerce' ),
+	'TZ30'  => __( 'Simiyu', 'woocommerce' )
 );