on the bottom
The number on any debit card is different for each individual
The last four numbers on your card
Its a sinvle digit on the front of the card. 1-9. Some bank cards don't use issue numbers such as RBS so if you are trying to pay for something online and they are asking for it just leave it blank...
Debit Cards don't have routing numbers. Call your bank they will provide you with a routing number.