diff --git a/src/controllers/00-doc-template-controller.ts b/src/controllers/00-doc-template-controller.ts
index 88b358f..7f05110 100644
--- a/src/controllers/00-doc-template-controller.ts
+++ b/src/controllers/00-doc-template-controller.ts
@@ -353,6 +353,8 @@ function addressFull(addr: FullAddress, lang: "th" | "en" = "en") {
       break;
   }
 
+  if (addr.subDistrict) fragments.push(addr.subDistrict.zipCode);
+
   return fragments.join(" ");
 }