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The official language is English.
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The United States’ official currency is the US dollar. You can change money only in major banks. ATMs are very easy to find and most places accept traveler’s checks and credit cards.
The United States’ international country code is 1. To call another country from the US, dial 011 followed by the appropriate country code. There are many area codes throughout the country. Most major towns and cities have Internet cafes.
Taxi drivers, hairdressers, bartenders and waiters expect at least a 15 percent tip. You don’t need to tip in self-serve or fast-food restaurants. If you have a large group at a restaurant, or receive exceptionally good service, you should tip 20 percent. Tip hotel staff.
Tourists usually don’t have any problem in the US, but should stay aware of the latest, heightened security measures taken in airports. Use common sense and take basic safety measures to prevent street and car crime in cities. The southeastern portion of the country gets hit with hurricanes between June and November.
Traveling to the US doesn’t bring any specific health risks. Medical care is very good, but very expensive. Make sure you have health insurance.
The US’ electrical current is 110 volts, 60 Hz and uses both two-pinned and three-pinned, flat-blade plugs.
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