>>Does anybody know of an algorithm to verify if a SSN is a correct social sec. number?
>>I would like to avoid bad data (andboy do we have bad data in legacy systems everywhere)
>>
>Peter,
>
>Just to add a piece of info...
>
>If I recall correctly, in Jim Booth's and Steve Sawyer's "Effective Techniques..." book, there's a mention of the fact that Social Security Numbers aren't necessarily unique.

I know. I don't use them just collect for reporting purposes (every taxform has them on it)
thanks for all the help (Ken's link especially)
Peter