Some carriers do offer tracking of location. Verizon is one.
Your carrier has one also. A call to them may answer your other needs
AT&T's service, called FamilyMaps, allows people to track the location of any cell phone on AT&T's network from a mobile phone or PC. The person being tracked receives a text message informing him or her that he or she is being watched. The service periodically informs the tracked individual that he or she is being watched if a text message is missed
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