A location server includes: a first receiver module configured to receive, from a location-based services application server (LBS AS), a first identification for a first mobile device associated with the LBS AS; a second receiver module configured to receive, from an access/location network (ALN), a second identification for a second mobile device associated with the ALN; a comparison module, communicatively coupled to the first and second receiver modules, configured to determine whether the first and second identifications match and whether the first and second mobile devices are the same mobile device based at least in part on whether the first and second identifications match; and a location service information module, communicatively coupled to the comparison module, and configured to provide a location service for the first mobile device in response to the comparison module determining that the first and second mobile devices are the same mobile device.