diff --git a/app/code/Magento/Sales/view/adminhtml/templates/order/create/form/address.phtml b/app/code/Magento/Sales/view/adminhtml/templates/order/create/form/address.phtml
index d1a90783c68c7..ad2641577c4a7 100644
--- a/app/code/Magento/Sales/view/adminhtml/templates/order/create/form/address.phtml
+++ b/app/code/Magento/Sales/view/adminhtml/templates/order/create/form/address.phtml
@@ -32,7 +32,7 @@ if ($block->getIsShipping()):
     require(["Magento_Sales/order/create/form"], function(){
 
         order.shippingAddressContainer = '<?= /* @escapeNotVerified */ $_fieldsContainerId ?>';
-        order.setAddresses(<?= /* @escapeNotVerified */ $customerAddressFormatter->getAddressesJson($addressArray) ?>);
+        order.setAddresses(<?= /* @escapeVerfied  */ $block->getAddressCollectionJson() ?>);
 
     });
     </script>
diff --git a/lib/internal/Magento/Framework/Api/ExtensibleDataObjectConverter.php b/lib/internal/Magento/Framework/Api/ExtensibleDataObjectConverter.php
index 538f4e646d060..e51788ad9ecf5 100644
--- a/lib/internal/Magento/Framework/Api/ExtensibleDataObjectConverter.php
+++ b/lib/internal/Magento/Framework/Api/ExtensibleDataObjectConverter.php
@@ -45,6 +45,30 @@ public function toNestedArray(
         }
         $dataObjectArray = $this->dataObjectProcessor->buildOutputDataArray($dataObject, $dataObjectType);
         //process custom attributes if present
+        $dataObjectArray = $this->processCustomAttributes($dataObjectArray, $skipAttributes);
+
+        if (!empty($dataObjectArray[ExtensibleDataInterface::EXTENSION_ATTRIBUTES_KEY])) {
+            /** @var array $extensionAttributes */
+            $extensionAttributes = $dataObjectArray[ExtensibleDataInterface::EXTENSION_ATTRIBUTES_KEY];
+            unset($dataObjectArray[ExtensibleDataInterface::EXTENSION_ATTRIBUTES_KEY]);
+            foreach ($extensionAttributes as $attributeKey => $attributeValue) {
+                if (!in_array($attributeKey, $skipAttributes)) {
+                    $dataObjectArray[$attributeKey] = $attributeValue;
+                }
+            }
+        }
+        return $dataObjectArray;
+    }
+
+    /**
+     * Recursive process array to process customer attributes
+     *
+     * @param array $dataObjectArray
+     * @param array $skipAttributes
+     * @return array
+     */
+    private function processCustomAttributes(array $dataObjectArray, array $skipAttributes): array
+    {
         if (!empty($dataObjectArray[AbstractExtensibleObject::CUSTOM_ATTRIBUTES_KEY])) {
             /** @var AttributeValue[] $customAttributes */
             $customAttributes = $dataObjectArray[AbstractExtensibleObject::CUSTOM_ATTRIBUTES_KEY];
@@ -56,14 +80,9 @@ public function toNestedArray(
                 }
             }
         }
-        if (!empty($dataObjectArray[ExtensibleDataInterface::EXTENSION_ATTRIBUTES_KEY])) {
-            /** @var array $extensionAttributes */
-            $extensionAttributes = $dataObjectArray[ExtensibleDataInterface::EXTENSION_ATTRIBUTES_KEY];
-            unset($dataObjectArray[ExtensibleDataInterface::EXTENSION_ATTRIBUTES_KEY]);
-            foreach ($extensionAttributes as $attributeKey => $attributeValue) {
-                if (!in_array($attributeKey, $skipAttributes)) {
-                    $dataObjectArray[$attributeKey] = $attributeValue;
-                }
+        foreach ($dataObjectArray as $key => $value) {
+            if (is_array($value)) {
+                $dataObjectArray[$key] = $this->processCustomAttributes($value, $skipAttributes);
             }
         }
         return $dataObjectArray;
diff --git a/lib/internal/Magento/Framework/Api/Test/Unit/ExtensibleDataObjectConverterTest.php b/lib/internal/Magento/Framework/Api/Test/Unit/ExtensibleDataObjectConverterTest.php
index f0e333aa5e1d5..e362d652b7a13 100644
--- a/lib/internal/Magento/Framework/Api/Test/Unit/ExtensibleDataObjectConverterTest.php
+++ b/lib/internal/Magento/Framework/Api/Test/Unit/ExtensibleDataObjectConverterTest.php
@@ -83,6 +83,17 @@ public function testToNestedArrayCustom()
                     AttributeValue::VALUE => 'custom_attribute_value_skip',
                 ],
             ],
+            'test' => [
+                0 => [
+                    '3rd_attribute_key' => '3rd_attribute_value',
+                    AbstractExtensibleObject::CUSTOM_ATTRIBUTES_KEY => [
+                        [
+                            AttributeValue::ATTRIBUTE_CODE => 'another_custom_attribute_code',
+                            AttributeValue::VALUE => 'another_custom_attribute_value',
+                        ]
+                    ]
+                ]
+            ]
         ];
 
         $resultArray = [
@@ -92,6 +103,12 @@ public function testToNestedArrayCustom()
                 'custom_attribute_value_multi_1',
                 'custom_attribute_value_multi_2',
             ],
+            'test' => [
+                0 => [
+                    '3rd_attribute_key' => '3rd_attribute_value',
+                    'another_custom_attribute_code' => 'another_custom_attribute_value',
+                ]
+            ]
         ];
 
         $this->processor->expects($this->any())