Expert: JudgeLaw replied 3 years ago. Nothing. The first three digits of the SSN are the area number. For numbers assigned prior to 1973, it indicates the specific Social Security office from which the card was issued.Since 1973, certain blocks of numbers have been allocated to each State.xpert: JudgeLaw replied 3 years ago. Nothing. The first three digits of the SSN are the area number. For numbers assigned prior to 1973, it indicates the specific Social Security office from which the card was issued. Since 1973, certain blocks of numbers have been allocated to each State.