Radio code for ford focus 811000?

To find the serial no i pressed 6 and 1 together. There few differnet codes it had show me
50702201
81-10-00
DP MV 5H
255
HOW I KNOW WHAT IS THE SERIAL NO AND WHAT WILL BE THE RADIO CODE FOR IT?

I GOT FORD FOCUS 2004 WITH 6000 CD CHANGER RNS.

The serial number will begin with a M or a V followed by 6 numbers eg M123456. You may have to remove the radio to find the serial number on a label on the back.