Are you saying that they are identifying duplicate accounts on the basis of street number + zipcode combo?
No they don't track people by street number and zip code, since we aren't google we can only assume that when they ban you from adwords they take all your info (name, address, city, state, zip, phone, credit card number, google account, IP, domains, etc) and flag it so if you use that same information again they can easily find you and ban you in the future.
So to get around the ban, you get a new card number and just keep the same street number and zip code, everything else you can change and the card will still be charged fine. See more info about AVS here: Address Verification System - Wikipedia, the free encyclopedia