>>>>A client has a file of combined SSN and EINs - without the hyphens. Can one differentiate between SSN and EIN based on some 'prefix'? They are trying to diffrentiate between possible personal and business tax ids.
>>>
>>>SSNs are 10 digits; I'm pretty EINs are 9.
>>>
>>>Tamar
>>
>>Nope, SSNs are 9, same as EINs.
>
>Oops, I miscounted.
>
>Tamar

1-2-3-4-5-6-7-8 and then 9. :-)

NB! I am not so pretty ...! (duck)

I know that you will never forgive me for making fun of your small typo.