U Mobile has recently launched their Friend Finder service. The service allows U Mobile subscribers to check the location of their friends and family members.
However, prior permission needs to be granted from friends or family members before their location information can be made available via this service.
To start looking for a friend, just send FIND 01xxxxxxxx to 22001. User can track up to 5 numbers using the Multi Find feature. To start using Multi Find feature, send keyword FIND followed by the mobile numbers or nicknames (if created) Eg. FIND <space> 01xxxxxxxx, 01xxxxxxxx, Jane, Kit09, 01xxxxxxxx.
U Mobile Friend Finder service can be used to locate Maxis and DiGi customers too.[Source]– U Mobile