EAN Category set up

Hello Everyday,

I need to set up the EAN category for EAN 8 , EAN 13 and UPC 12-A and need to maintain the external number range for UK.

I want to know what would be the standard numnber ranges which we would like to set for EAN 8 , EAN 13 and UPC 12-A.

Any help is highy appreciated.

Thanks,

AC