Excel Named Range to single cell

Hello Everybody,

I want to name range single cell by the value of the active cell, may i know how to do it???

For example,
in cell A1 I've value "XXXX_07", and i want the cell A1 named as XXXX_07
in cell B1 I've value "XXXX_08", and i want the cell B1 named as XXXX_08

If I've hundreds of single cell with those value, what is the fastest way to get the name range done???

Thanks for the help.