Why is my Tracking Number invalid? It is possible that the sender has yet to drop the shipment to GDEX. Once the sender transmits their daily electronic information to GDEX, you will be able to track your package. By Liew Zhi|2023-07-20T12:11:59+08:00July 20, 2023|Tracking|0 Comments Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Liew Zhi Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.