It is cheaper because the company that the caller is using are both on the same network. If you called a Optus phone on a three phone than the connection has to cross to another network so it is more.
Check the link attached:
Seeing as they're the same company, you'd hope not.
Sprint and Virgin mobile are the same company. However, according to my research, Virgin mobile has a cheaper plan options than Sprint. Please visit their websites for more information.
T-Mobile
iphone
Mobile document shredding is when your company signs up with another company to come and take your papers that need shredded. You would need a contract.
No you can not. If you enter a sim card that is not T-Mobile it will not read it. If the phone is unlocked then yes.
it was known as General mobile, company that started in texas
As cheaper housing.
When doing the research on the T-Mobile Comet, it does not look like that it is transferable to another company. The way that they have it set up to pay as you go can only be with the T-Mobile Company.
Yes, in the United States it is owned by Sprint Nextel.
T-Mobile because their prices are cheaper!