Radio code for Nissan micra please

Could anyone help me get my hide for my CD player.
7 643 349 318

This is engraved on the side of my CD player
8 635 123 392 0

Thank you in advance
Hi can anyone help please I need a key code for my mum's micra 2006 model
I only have these numbers not sure if any good 28184BC41A and ZH-D912