Leading the Way in Military Medicine. 1  Walter Reed National Military Medical Center. 2  Naval Medical Center Portsmouth. 3  Naval Medical Center San Diego. 4  Hospitals. Clinics.  Surface 1  Ships. Aircraft Squadrons.  Fleet Marine Force.
The service tag is unique to your system - it is essentially the serial number. If you don't have it recorded, but have your system registered with Dell (or purchased it direct from Dell), you should be able to obtain it by calling customer service with your order number or your name and address. Like 0. Reply.
Hope this helps. Converter Widget Form. This form will convert Dell Service Tags (alpha-numeric serial numbers) to Express Service Codes and vice versa. Just type the alpha-numeric Service Tag number into the field labeled Service Tag (serial)  and the Express Service Code will be displayed in the other field.