The biggest advantage of verizon voip service is number portability. A Verizon customer can choose an area code of his liking. This reduces the cost of calling because all calls to that area code are treated as local calls. The customer can also carry the number with him, even if he leaves the city. This is one facility that conventional phones can't offer.

Verizon VoIP also provide customers with unlimited calls within the United States and Canada. Verizon has also reduce the international calling rates sharply, making the service attractive for customers who has friends or family members abroad. Verizon customers can access voice mail on the web, change service options such as caller ID or call waiting, and billing options online. All these features have made Verizon VoIP a great service option for both residential and business customers.