If a person utilizes cell phones, voice over IP or any other type of service not associated with normal landline telephone service, their phone will not be in the database. If a business has multiple telephone numbers associated with their business they may not be contacted. A privacy manager service will defeat the system.
If you are uncertain or desire additional numbers to be notified, you should access: http://www.southwestcentral911.org/ click on the CodeRED link. If you do not have access to the Internet you can call our station at: 708-448-5060.