Hi,
It looks like you need a motion to set aside the judgment. You would need to attach some evidence that you no longer live at that address and then file the motion along with the exhibits in the court where the complaint was filed. Typically, the court grants these motions but then allows the other side to reserve you (properly) which gives you 30 days to answer the case. A motion to dismiss or strike would not be suitable here.
I am a California licensed attorney but my focus is on IP area, specifically patents and trademarks but please do let me know if I can be of assistance. I can draft a motion to setaside and you can file it with the court in pro per to save yourself some time and expense.
Best regards,
Michael