It is estimated at 6 Trillion Pounds
Phones are available in all price ranges from free to $500.
ALL my phones cost money
Blackberry cellular-phones vary in prices. They can cost from as low as $150 all the way up to $400.
Virgin Mobile has a variety of cell phones and accessories available for sale on their website:http://www.virginmobileusa.com/shop.html They have phones and accessories available for all needs and price points.
As of 2013, Alltel is a Verizon Wireless company, as Verizon acquired Alltel. Alltel still offers cell phones, but the service will be switched over to Verizon in the coming year. After the merger is complete, all phones may be purchased through Verizon Wireless. Currently, Alltel phones start at about 9.99$ (USD) and many smart phones cost 150$ (USD) or more.
Apple phones are sold and used all over the world.
It all depends where in the world you live
The aduiovoc cellular phones are actually pretty cheap. You can find them from around $5 all the way up to $14. Here is a site with more of them: www.1800mobiles.com/audiovox.html.
$830014110.00
There are many different companies that offer phones that can call all over the world. The most cost effective and simple way of doing this is by using VOIP calling. Programs such as VoipStunt and Skype offer free programs that offer the technology to bring free and high quality video and voice communications with people all over the world.
$189.99
about 50 bucks