It's not just their laptops. It's all Dell computers. When I started working in IT as a college student they were 5 digits, but I think they're all 7 digits now

It's not just their laptops. It's all Dell computers. When I started working in IT as a college student they were 5 digits, but I think they're all 7 digits now. I believe the service tag also brings up warranty information and the specs of the machine as ordered if you are logged in as an account with permissions (i.e. the one that ordered it).