Do you have a lookup table of the codes against the names? If so, use
VLOOKUP against that table.

Signature
HTH
Bob
(there's no email, no snail mail, but somewhere should be gmail in my addy)
> Would really appreciate someone telling me how to display a name (from
> 10-12
> possibles), based on multiple options in a range.
> In the column A (range), there is a number of ten or more 4 digit engineer
> codes spread across 300+ rows, which I would like to display as engineer
> names (in the next column, B).