Already have SSN before DACA

Anyone already have a SSN before DACA approval?

Can I go straight to the DMV with EAD and SSN or do I have to do something at the SSA first?

Thank you.

Yes plenty of people here have had SSNs before DACA.

In regards to the DMV the old card will do.

In regards to working if your card says "Not valid for employment", then you'll need to apply for a new one.
If your card says "Valid for work only with DHS/INS authorization" you're good to go.