Using a fictitious social security number in work of fiction?

I know that telephone numbers are often given the "555" area code. Is there any standard way of including a fictitious social security number in a work of fiction? My novel involves a scene where the antagonist finds USMC dog tags, which include SSN, and I wanted to include all the information normally... show more I know that telephone numbers are often given the "555" area code. Is there any standard way of including a fictitious social security number in a work of fiction? My novel involves a scene where the antagonist finds USMC dog tags, which include SSN, and I wanted to include all the information normally found on dog tags.
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