Try Travel SIM Cards While Visiting USA.

It is no secret that United States of America is one of the most visited countries in the world. If you are one of those willing to visit United States, whether to experience a fast-moving life in New York or to doing a tour in California to get pleasure from the adorable scenery, you will most likely use your mobile phone while you are in USA. Hence, it is of utmost importance to have the right SIM card that can save a good amount of your money. For instance, after you arrive in United States, in most cases, you are still eligible to use your own SIM card that you bought back in your home country. But, in this case, you will be using roaming’ service provided by your mobile service provider, which may cost you a lot of money. 
Fortunately, a number of U.S. mobile service providers are offering several options for travelers that can enable them to use their phone in the U.S. territory at affordable prices. No matter what your mobile service necessities are, there is a plan that meets your requirements. A perfect example of such services is a prepaid SIM cards, also known as Travel Sim Card.
However, in order to get a travel SIM card, your phone must be unlocked. Let us explain you in detail:
When you buy a mobile phone from a carrier, usually it is locked and does not let you use a SIM card from another carrier. That’s understandable; your carrier is just trying to protect their own investment. But, you can still unlock your phone by just requesting your carrier to unlock the phone for you. It is a paid service, and what they do is to insert the unique unlock code to let you use a SIM card from any other carrier.
Once your mobile phone is unlocked, you may now want to switch to a cheaper means using your mobile phone on your tour to USA or you might just want to give a try to global SIM cards that allow you make international calls for cheaper prices. One of the best carrier option for a �travel SIM card’ is AT&T as they offer industry cheap prices for high-quality service. AT&T is also considered as the biggest mobile carrier in United States. One of the prepaid SIM card services offered by AT&T is GoPhone packages.