Can I use my iPhone4,4S sim card with iPhone5,5s?

Can I use iPhone4,4s sim card with iPhone5,5s

Can I use my iPhone4,4S sim card with iPhone5,5s?
No, you have to contact your service provider to get a NANO sim card that only works with the iPhone5.

Sim Card for iPhone5,5s
It is called the NANO SIM CARD, smaller than iPhone4S, iPhone4 which used a micro sim