Register your cell phone number, voice over IP phone number and email address with NotifyLA, the City of Los Angeles' Official Emergency Mass Notification System. NotifyLA will be used to send voice messages, text messages and email messages to residents and businesses during times of emergencies and disasters. Notifying the public when a disaster strikes might be the one and only safeguard the public can count on to save their lives and protect their property. It's easy to get started. Visit NotifyLA and get registered.