Determination of wireless device departure from a femtocell

Embodiments disclosed herein provide systems and methods for determining whether a wireless device has departed a femtocell. In a particular embodiment, a method provides determining one or more wireless devices that are registered with a wireless femtocell and are not currently exchanging communications with the wireless femtocell. If a control signal from at least one wireless base station is available, the method provides receiving the control signal and processing the control signal to determine whether a portion of the wireless devices are registered with the at least one wireless base station. The method further provides indicating that the portion of the wireless devices registered with the at least one wireless base station are no longer registered with the wireless femtocell.