fedex express tracking number
FedEx Tracking. The most common tracking number format is 12 digits (e.g. 9999 9999 9999) or 15 digits (e.g. 9999 9999 9999 999). Some other less common formats may also exist, such as 20 digits and 22 digits. If you have any question regarding the delivery process of a package, call [+1] 800-463-3339.