The US does a lot of things differently: voltage, plugs and the mobile phone system (usually referred to as the cell[ular] phone system.) This leads to a lot of confusion when you come from a different part of the world. Make sure to take note of these important differences. Territory[] the This article applies to the 50 states and the District of Columbia of United States of America (USA). It's v
![United States](https://cdn-ak-scissors.b.st-hatena.com/image/square/cb360eb19d2997b8f8b0502cac768cf4eeceb073/height=288;version=1;width=512/https%3A%2F%2Fstatic.wikia.nocookie.net%2Fpaygsimwithdata%2Fimages%2F6%2F6c%2F1024px-Flag_of_the_United_States.svg.png%2Frevision%2Flatest%3Fcb%3D20200702073525)