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Today I had to call AAA to request a tow truck. I called from my cell phone and the automated system told me that it was determining my location from the cell towers and using that to route me to the best place. How does that work? I have worked with Twilio but I don't see any API for getting a caller's location. Is that something available with different providers?


Pretty sure what they're using is just cell tower triangulation. At least in my experience, they also ask you to describe your location more precisely as well.


I get that they are using cell tower triangulation. I'm wondering what API allows AAA to get that information from the incoming call. Do they have some system talking SS7? Can smaller players build something similar?




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