It depends on the Service Plan. Some include these areas and in others these are considered international calls. If you're not sure, contact customer service. Calls to Saipan and Guam (area codes 670 and 671, respectively) are always considered international calls.

In most places in the United States, you don't have to give up your existing phone number if you change to VoIP. To find out whether you can transfer it to VoIP service and what's involved, click here .

If you're new to VoIP, when you sign up, you are given a new VoIP phone number you use while your existing number is being transferred. You can use this temporary number to both make and receive calls, so you get all the benefits and cost savings of VoIP immediately. Then, when the transfer has occurred, you can either get rid of or keep this temporary number as a second, virtual number. If you do not cancel your Virtual Number, you are charged a small monthly fee starting 60 days after you signed up for service.

You may be charged a one-time or a monthly fee to transfer your current number to VoIP. Ask your service provider for details.

Tip: Many customers keep one regular telephone line or a mobile phone so that they can always dial 911 emergency services because 911 services may not be as reliable using a VoIP phone. For example, if your electric power goes out, your VoIP service won't work unless you have your whole network, including the VoIP Device, on a functioning UPS system (Uninterruptible Power Supply). You may also need to keep one regular phone line if your DSL service cannot be separated from it.

You may be charged a one-time or a monthly fee to transfer your current number to VoIP. Ask your service provider for details.

Tip: If you're new to VoIP, when you sign up, you are given a new VoIP phone number you use while your existing number is being transferred. You can use this temporary number to both make and receive calls, so you get all the benefits and cost savings of VoIP immediately. Then, when the transfer has occurred, you can either get rid of or keep this temporary number as a second, virtual number. If you do not cancel your Virtual Number, you are charged a small monthly fee starting 60 days after you signed up for service.

You can use choose a phone number (or multiple numbers) from any area code or country we support. Your VoIP service works anywhere on the planet you have Internet access, regardless of the phone number you choose for your account.

You can use your VoIP service from almost anywhere on the planet that you can get high-speed Internet access, regardless of the VoIP phone number(s) you have chosen. Call quality will vary depending on the quality of the Internet connection you have, and satellite Internet service often has too much delay to support VoIP. Contact the VoIP service provider for a list of countries to which they ship and the related charges per VoIP device.

You can take your VoIP device, service and number(s) with you wherever you move, even to a different country! This is truly a "phone number for life".

VoIP numbers still cannot be listed in most areas of the country, but that may change as they are becoming more and more common.

You may purchase as many virtual VoIP numbers as you wish, and they will all be treated just like your primary VoIP phone number, including CallBlast. Each virtual number has a one-time activation fee and a monthly recurring charge associated with it. Calls coming to those numbers show up in your VCP just like calls coming to your primary VoIP number.