There is the Government Emergency Telecommunications Service, and also the Nationwide Wireless Priority Service. https://en.wikipedia.org/wiki/Government_Emerg

There is the Government Emergency Telecommunications Service, and also the Nationwide Wireless Priority Service. https://en.wikipedia.org/wiki/Government_Emergency_Telecommunications_Service https://en.wikipedia.org/wiki/Government_Emergency_Telecommu... https://en.wikipedia.org/wiki/Nationwide_Wireless_Priority_Service https://en.wikipedia.org/wiki/Nationwide_Wireless_Priority_S... After 9/11 the company I worked for then (a quasi-government non-profit company) ramped up their security and disaster planning a bit. The whole department I was in had to get national security clearances, and they also issued cards for the GETS system. On 9/11 I remember it was very hard to get any call through.