Mary,

Try this.

=SUMPRODUCT((ISNUMBER(SEARCH(A1,Sheet3!$A$1:$A$4,1 )))*(Sheet3!$A$1:$A$4))

This is where A1 is your partial code and Sheet3!A1:A4 is your complete
codes. Copy this down your list of partials. This also assumes that
your partials will be unique to only one complete code.

Does that help?

Steve


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