diff --git a/Controller/Adminhtml/Address/Region.php b/Controller/Adminhtml/Address/Region.php
index 9d7fcfba..aa7c51ad 100644
--- a/Controller/Adminhtml/Address/Region.php
+++ b/Controller/Adminhtml/Address/Region.php
@@ -6,7 +6,7 @@
 namespace ClassyLlama\AvaTax\Controller\Adminhtml\Address;
 
 use Magento\Directory\Helper\Data as DirectoryHelper;
-use Magento\Framework\App\Action\Context;
+use Magento\Framework\App\Action\HttpGetActionInterface;
 use Magento\Framework\Controller\Result\JsonFactory;
 use Magento\Framework\Escaper;
 
@@ -16,7 +16,7 @@
 /**
  * @codeCoverageIgnore
  */
-class Region extends \Magento\Framework\App\Action\Action
+class Region implements HttpGetActionInterface
 {
     /**
      * @var array
@@ -40,17 +40,14 @@ class Region extends \Magento\Framework\App\Action\Action
 
     /**
      * @param DirectoryHelper $directoryHelper
-     * @param Context $context
      * @param JsonFactory $resultJsonFactory
      * @param Escaper $escaper
      */
     public function __construct(
         DirectoryHelper $directoryHelper,
-        Context $context,
         JsonFactory $resultJsonFactory,
         Escaper $escaper = null
     ) {
-        parent::__construct($context);
         $this->resultJsonFactory = $resultJsonFactory;
         $this->escaper = $escaper;
         $this->directoryHelper = $directoryHelper;
diff --git a/view/adminhtml/web/js/model/region-model.js b/view/adminhtml/web/js/model/region-model.js
index 8cd24dbc..b37a2e8d 100644
--- a/view/adminhtml/web/js/model/region-model.js
+++ b/view/adminhtml/web/js/model/region-model.js
@@ -21,7 +21,7 @@ define(
                 this.regions = $.ajax({
                     showLoader: false,
                     url: url,
-                    type: "POST",
+                    type: "GET",
                     dataType: 'json',
                     success: function (response) {
                         return response;