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.
To continue service, you will need to call or add credit card information to your account before your next billing cycle. If you would like to make a one time charge to a credit card, you can call a customer care specialist at 1-844-543-2964 to request one-time billing.