Methods, devices and servers for exchanging information about the status of mobile communications are described. In one aspect, a method is implemented on a device status exchange server, which includes: storing a plurality of profiles associated with a plurality of mobile communication devices that are serviced by a wireless service provider having a wireless service provider server which tracks information about the mobile communication devices, the plurality of profiles storing at least some of the information tracked by the wireless service provider server; receiving, from third party servers, subscription requests for notification of an update in information associated with one of the mobile communication devices; registering the received subscription requests; detecting an update to the information stored in one of the profiles based on information received from a server; and in response to detecting the update: updating the profile associated with the mobile communication device associated with the updated information; and notifying the third party servers of the update in accordance with registered subscription requests.