California note
Orange emergency alerts work in layers
AlertOC and Nixle require signup, while Wireless Emergency Alerts and broadcast alerts do not. Orange's evacuation-zone map is a separate tool.
Orange has four official ways to warn people. Each has a different job.
AlertOC is the city and county signup for homes and businesses. Orange may use it to call a home, mobile, or business phone. It may also send a text or email. An alert can go only to people near the danger, not all of Orange. Add every number and email you want to use, and keep them current.
Nixle is another city signup. Orange’s current guide says to register online or text 92866 to 888777. A Wireless Emergency Alert does not need an account. It can reach a phone in the danger area. Emergency Alert System messages come through radio and TV, with no signup.
The city’s evacuation-zone lookup is only a map. It does not send alerts. Save your zone, join AlertOC and Nixle, and leave Wireless Emergency Alerts on. At home, pick one meeting place and one contact outside the area. Keep basic supplies where you can reach them fast.
Where to see it
Orange City Fire emergency-preparedness page and guide.
Official sources
Official pages
Reviewed July 14, 2026
Current maps, alerts, conditions, and public safety guidance.
Conditions and public guidance can change quickly. Check the current page before you act.
Connected places
Open the local directory
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