Ok I did not know I needed to post any data. Here is a little bit:

Listcode Year Mailed

102EL ...

That would work but I have a ton of List Codes (i.e. 103EL) and doing that for everyone would not be efficient at all. Thank you though for...

Yea you are right, I will leave it just as the Identity column. Thanks again!

Ok I have never used an IDENTITY column or created one. What would be the SQL command to create that column?

And are you also saying I should...