Frisco and Rockwall Police Departments reports their 911 lines are down. You will not be able to get through to dispatch by dialing 911.
FRISCO: You can get through by dialing direct lines at 972-292-6010.
ROCKWALL: 972-771-7724 or 972-722-5719.
SACHSE: (972)495-2005 OR (972)496-6229.
MCKINNEY: 972-547-2700.
MIDLOTHIAN: 972-775-3333.
JOHNSON COUNTY: 817-556-6060 or 6061
ALLEN: 214-509-4321
ELLIS COUNTY: 972-937-6060
Full list: https://www.nct911.org/the-nctcog9-1-1-region-is-experiencing-a-9-1-1-outage/
Multiple agencies within the North Central Texas COG are reporting outages as well.
They do not know when the 911 lines will be operational but will keep you updated.