diff --git a/uc_addresses.js b/uc_addresses.js
index 760ec71..edba3ad 100644
--- a/uc_addresses.js
+++ b/uc_addresses.js
@@ -16,6 +16,16 @@ var uc_addresses_copy_box_checked = false;
 $(document).ready(uc_addresses_trigger_copy_address);
 
 /**
+ * Set event handlers on address fields when uc_quote module
+ * is enabled.
+ */
+function uc_addresses_setQuoteCallbacks(products, context) {
+  $("select[name*=delivery_addressbook]:not(.getQuotes-processed)", context).addClass('getQuotes-processed').change(function() {
+    $("input[name*=delivery_postal_code]").trigger('change');
+  });
+}
+
+/**
  * Copy address values from one pane to another for checkout form
  */
 function uc_addresses_copy_address_checkout(checked, source, target) {
diff --git a/uc_addresses.module b/uc_addresses.module
index 580a2e1..6f4a72b 100644
--- a/uc_addresses.module
+++ b/uc_addresses.module
@@ -1337,6 +1337,25 @@ function theme_uc_addresses_default_address_checkbox($element) {
 }
 
 /**
+ * Implementation of hook_preprocess_page().
+ *
+ * Alters javascript outputted by uc_quote in order to set
+ * event handlers for address fields created by Ubercart
+ * Addresses when 'Drupal.behaviors.getQuotes' gets called.
+ */
+function uc_addresses_preprocess_page(&$vars) {
+  // Check if the 'Drupal.behaviors.getQuotes' function is on the page.
+  // We just always search for the string only as that's faster than
+  // a call to module_exists().
+  if (strpos($vars['scripts'], 'Drupal.behaviors.getQuotes = function (context) {') !== FALSE) {
+    $search = '/setQuoteCallbacks\(\"(.+)\", context\);/';
+    $replace = 'setQuoteCallbacks("${1}", context);
+    uc_addresses_setQuoteCallbacks("${1}", context);';
+    $vars['scripts'] = preg_replace($search, $replace, $vars['scripts']);
+  }
+}
+
+/**
  * Overwrite address display values for invoices.
  *
  * @param array $variables