https://techcrunch.com/2021/07/27/extra-crunch-roundup-rapidsos-ec-1-how-to-prep-for-an-ma-exit-inside-genki-forest/

According to one estimate, Americans call 911 about 240 million times every year.

Sending emergency services to the right location sounds straightforward, but each 911 call is routed through one of thousands of call centers known as public safety answering points (PSAPs).