The service tag (7 digit, alpha numeric) is the serial number.
The express service code is an all numeric translation of the Service Tag that allows you to input the system ID on a telephone when calling in for support, to better route your call to the proper department at Dell.
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The service tag (7 digit, alpha numeric) is the serial number.
The express service code is an all numeric translation of the Service Tag that allows you to input the system ID on a telephone when calling in for support, to better route your call to the proper department at Dell.