Yes, in most instances, Local Number Portability (LNP) allows a customer to change local exchange carriers and maintain their current phone number, even though they are now serviced by a different provider.
Yes. Directory Assistance is available with Cox Voice service.
Yes. Or if you choose, the information can be kept private for a small monthly fee.
No, the phone working with your current service should work with the Cox Voice service. Cox utilizes the same type of switching equipment and software as other phone service providers.