Stolen iPhone - check status of Find My iPhone My iPhone 4s was stolen but im not sure if the Find My iPhone was switched on.
The phone number is still the same and active. 

Is it possible to check the status?
Go to https://www.icloud.com/#find to check the status.

From there you can track where it currently is or was last seen, make it play a sound, lock it by enabling Lost Mode [which includes adding another phone number to the lock screen you can be contacted at], or even erase it [though that would disable Find My iPhone]