diff --git a/lib/courier/jnt.js b/lib/courier/jnt.js
index 4f67f3b..deb2d99 100644
--- a/lib/courier/jnt.js
+++ b/lib/courier/jnt.js
@@ -71,6 +71,9 @@ module.exports = function () {
         }
 
         try {
+          if (res.statusCode !== 200) {
+            return cb(tracker.error(res.statusMessage))
+          }
           var result = parser.trace(JSON.parse(body.data))
           cb(result ? null : tracker.error(tracker.ERROR.INVALID_NUMBER), result)
         } catch (e) {