diff --git a/Model/ConfigProvider/CheckoutConfigProvider.php b/Model/ConfigProvider/CheckoutConfigProvider.php
new file mode 100644
index 0000000..9d1e606
--- /dev/null
+++ b/Model/ConfigProvider/CheckoutConfigProvider.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TheITNerd\Core\Model\ConfigProvider;
+
+use Magento\Checkout\Model\ConfigProviderInterface;
+use Magento\Directory\Model\RegionProvider as DirectoryRegionProvider;
+
+class CheckoutConfigProvider implements ConfigProviderInterface
+{
+    /**
+     * @param DirectoryRegionProvider $directoryRegionProvider
+     */
+    public function __construct(
+        private readonly DirectoryRegionProvider $directoryRegionProvider
+    ) {}
+    /**
+     * @return string[]
+     */
+    public function getConfig(): array
+    {
+        return [
+            'regionJson' => $this->getRegionJson()
+        ];
+    }
+    /**
+     * @return string|null
+     */
+    private function getRegionJson(): ?string
+    {
+        return $this->directoryRegionProvider->getRegionJson();
+    }
+}
\ No newline at end of file
diff --git a/etc/frontend/di.xml b/etc/frontend/di.xml
new file mode 100644
index 0000000..0a31db7
--- /dev/null
+++ b/etc/frontend/di.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
+    <type name="Magento\Checkout\Model\CompositeConfigProvider">
+        <arguments>
+            <argument name="configProviders" xsi:type="array">
+                <item name="postcode_district_data" xsi:type="object">TheITNerd\Core\Model\ConfigProvider\CheckoutConfigProvider</item>
+            </argument>
+        </arguments>
+    </type>
+</config>
\ No newline at end of file
diff --git a/view/frontend/web/js/postcode.js b/view/frontend/web/js/postcode.js
index e1f10d2..defa368 100644
--- a/view/frontend/web/js/postcode.js
+++ b/view/frontend/web/js/postcode.js
@@ -113,7 +113,7 @@ define([
 
 
             if(!this.options.hasOwnProperty('regionJson')) {
-                this.options.regionJson = window.regionJson;
+                this.options.regionJson = this.getRegionJSON();
             }
 
             return this;
@@ -168,6 +168,10 @@ define([
             }, this));
 
             return this;
+        },
+
+        getRegionJSON: function () {
+            return window.checkoutConfig.regionJson
         }
     });