That all depends on who you ask and where you live. I am a big fan of Sprint, they have great coverage and affordable service plans for individuals and families.
You could get the leaflets from different cell phone service providers like Sprint, Verizon and T-Mobile on their various service plans and choose the best one. I am sure even AT&T has various other service plans that you can have a look at. Or you could also try websites that help you compare various cell phone plans of service providers that will help you identify the one that suits you the best.
The best cell phone plan depends on your usage, the number of phones on the plan and the current offers by service providers and retailers. To find them, you have to put in a little research time to find the best offers that are around.
You could actually choose a prepaid plan instead of a yearly contract. Most cell phone service providers like T-Mobile, Verizon and AT&T provide prepaid service using which you can use the cell phone service by payment of usage fee beforehand. It offers you the advantage of termination of service whenever you feel like without payment of any termination fee. Check out sites online for more details about the service plans of various cell phone service providers.
Most service providers make there cells with sim cards. (Litttle cards that store info such as your number and address book) and usually you can just take that out and put it in your new cell. Typically, you have to renew your contract with a cell phone provider to get a new cell phone. The normal contract length is 24 months or two years. If you need to get a cell phone before your contract is up, you will have to pay full price for it. Many cell phone providers will let you get a free cell phone when you upgrade to an unlimited cell phone plan.
No. The are two different cell phone service providers so mobile to mobile minutes are unavailable.
There are different ways to unlock your cell phones. Depending on your choice, you can unlock your cell phone in a cheap and simple way. There are various cell phone unlocking service providers that can help you to unlock your cell phones.
Usually it means it's free to call another cell-phone, or mobile phone, yet it's usually within the companies service only. Ask about that when looking to buy a plan.
your cell phone service
The best cell phone provider is dependent on your location. While some areas have strong coverage for most carriers, others may only have coverage for larger providers like Verizon and AT&T.
The best plan will be dependent on the phone service, but common international voice plans can help save about 20% or more on voice calls. If data services are also needed, most providers offer a separate international data roaming plan as well.
Probably all providers do but they don't advertise it like that I'm sure.
Most large service providers have 'roaming' plans. Though they should be scrutinised carefully as they differ greatly and can also be extremely costly.