these people are using this service to determine where YOU are,,via the cell towers or Narcotics sting ray device. You are being monitored by the government.
Has called my cell several times at various times of the day, a couple as early as 6:30 a.m., and as late as 9:00 p.m.. It never rings long enough to answer if I'm not awake or right by it. Never leaves a message, but the only time I did answer, I couldn't understand him anyway.