Do I need a visa to visit the USA?

Yes, most travelers need a visa or an ESTA depending on their country of origin. Check the US State Department's website for specific requirements.

ESTA (Electronic System for Travel Authorization) is a visa waiver program for citizens of select countries. It allows eligible travelers to enter the US for up to 90 days for tourism or business.

What currency is used in the USA?

The currency used is the United States Dollar (USD).

Is it safe to travel to the USA?

The USA is generally safe for tourists, but it's always wise to stay informed about local conditions and follow safety advice.

What is the time zone in the USA?

The USA spans multiple time zones, including Eastern, Central, Mountain, and Pacific Time. Check your destination's specific time zone.

Can I use my credit card in the USA?

Yes, credit cards are widely accepted in most places. Visa, MasterCard, and American Express are the most common.

What is the emergency number in the USA?

The emergency number is 911 for police, fire, and medical emergencies.

What are the main languages spoken in the USA?

English is the primary language, although Spanish is also commonly spoken in many areas.

How much should I tip in the USA?

Tipping is common in the USA. In restaurants, a 15-20% tip on the pre-tax bill is standard.

What is the electrical voltage in the USA?

The voltage is 120V with a frequency of 60Hz. Plugs are typically type A and B.

Can I drive in the USA with my foreign driver's license?

It depends on the state. Many states allow you to drive with a foreign license for a short period, but an International Driving Permit (IDP) is recommended.

What should I know about healthcare in the USA?

Healthcare in the USA can be very expensive. It is strongly advised to have travel health insurance.

Can I use my mobile phone in the USA?

Yes, but check with your home provider about roaming charges. Alternatively, you can buy a local SIM card.

What are the main airports in the USA?

Major airports include Los Angeles (LAX), New York (JFK), Chicago (ORD), Atlanta (ATL), and Miami (MIA).

International Travel Guide to United States of America in 2025

Everything you need to know before visiting United States of America

Written by HowToVisa Team

Last update: November 5, 2024

Washington Monument, 15th Street Northwest, Washington, DC, USA

United States of America Travel Details 🇺🇸

The United States of America (USA), with a population of approximately 331 million, is a prominent travel destination renowned for its diverse landscapes, rich cultural heritage, and significant global influence. The capital, Washington D.C., is home to iconic landmarks such as the White House, the Capitol, and the Smithsonian museums. New York City, the largest city, offers world-famous attractions like Times Square, Central Park, and the Statue of Liberty. The USA's vast geography includes everything from the bustling urban centers to stunning national parks such as Grand Canyon, Yellowstone, and Yosemite. The official language is English, but the country is a melting pot of cultures with many other languages widely spoken. Visitors can explore a variety of cultural experiences, festivals, and cuisines across different states.

Country

United States of America 🇺🇸

Capital

Washington D.C.

Country code

Region

Americas (Northern America)

Population

~331,000,000 people

Calling code

Currencies

United States dollar ($)

Timezones

UTC-05:00, UTC-06:00, UTC-07:00, UTC-08:00

Essential Details to Know Before Visiting United States of America in 2025

Electrical Plugs

The United States uses Type A and B plugs with a standard voltage of 120 V and a frequency of 60 Hz.

Languages

The primary language is English. Spanish, Chinese, and other languages are also widely spoken in many communities.

Currency

The official currency is the United States Dollar (USD).

Payment Methods

Major credit cards including Visa, MasterCard, and American Express are accepted almost everywhere. Mobile payments like Apple Pay and Google Pay are commonly used.

ATM Availability

ATMs are widely available in cities and towns. Most accept international cards.

Tipping Culture

Tipping is customary in the USA. In restaurants, 15-20% is standard if service charge is not included.

Internet Connectivity

The USA has excellent internet coverage with high-speed internet available in most urban and suburban areas.

Telecom Providers

Major telecom companies include Verizon, AT&T, T-Mobile, and Sprint.

International Calling

The international calling code for the USA is +1.

SIM Cards for Travelers

SIM cards for travelers are readily available at airports, convenience stores, and electronic shops. Popular providers include T-Mobile and AT&T.

United States of America Visa

The United States of America offers various types of visas for individuals seeking entry for different purposes, including tourism, business, education, employment, and more. Common types include the B-1/B-2 Visitor Visa for tourists and business travelers, the F-1 Student Visa for academic students, and the H-1B Visa for skilled workers in specialty occupations. Each visa category has specific requirements, application processes, and limitations. The process generally involves submitting an application, paying a fee, and attending an interview at a U.S. embassy or consulate. Factors such as intent, financial stability, and ties to the applicant's home country often play a significant role in the approval process.

You can also read more about United States of America visa information before your trip.

When Should I Go to United States of America?

The best time to visit the United States of America largely depends on the regions you plan to explore and the type of weather you prefer. Generally, late spring (April to June) and early autumn (September to October) are ideal times for travel across the country. These periods offer mild weather and fewer crowds compared to the peak summer months. If you are keen on experiencing winter sports, then the snowy months of December to February are perfect for destinations like Colorado, Utah, and Vermont. For beach vacations, the summer months from June to August are ideal, especially for destinations like California, Florida, and the Carolinas.

How Much Time Should I Spend in United States of America?

The length of time you should spend in the United States depends on your interests and the breadth of your itinerary. For a comprehensive exploration of iconic cities such as New York, Los Angeles, and Chicago, along with natural wonders like the Grand Canyon, Yellowstone, and Yosemite, you should plan for at least two to three weeks. If you only have one week, consider focusing on a specific region, such as the East Coast or the West Coast, to make the most of your time. For a more relaxed pace, a month or more will allow you to experience the diversity of cultures, landscapes, and traditions the country has to offer.

How Much Money Do I Need For United States of America?

The cost of a trip to the United States can vary greatly depending on your travel style, accommodations, dining preferences, and the activities you choose. On average, you should budget between $100 to $300 per day. This range includes accommodations from budget motels to mid-range hotels, meals at casual eateries to moderately priced restaurants, and a mix of paid and free activities. Major cities like New York, San Francisco, and Washington D.C. tend to be more expensive, while rural areas and smaller towns may be more budget-friendly. Additionally, factor in costs for transportation, including flights, car rentals, and public transit.

What Should I Pack For My Trip to United States of America?

Packing for a trip to the United States requires considering the diverse climates and your planned activities. Essentials include comfortable clothing suitable for the season and the regions you’ll visit—light layers for varying temperatures, and sturdy walking shoes for city exploration or nature trails. If traveling in winter, pack a warm coat, gloves, and a hat. For beach destinations, don't forget swimwear, sunscreen, and flip-flops. Basic travel items like your passport, travel insurance, and any necessary medications are crucial. Additionally, a universal power adapter, a reusable water bottle, and a camera or smartphone for capturing your journey are advisable. Always check weather forecasts and pack accordingly to ensure comfort and preparedness.

How to Stay Safe During Your Trip to United States of America

Visiting the United States can be an incredible experience with its diverse cultures, landscapes, and attractions. However, it’s crucial to stay informed about safety and health regulations, legal nuances, and cultural expectations to make your trip smooth and enjoyable. From staying vigilant about health and hygiene to understanding local laws, here’s all the info you need to navigate your journey through the U.S. like a pro.

Vaccinations and Health Tips
Make sure you're up to date on routine vaccines before traveling to the United States. The CDC recommends certain vaccinations based on your specific travel itinerary, including seasonal flu, MMR (measles, mumps, and rubella), and Hepatitis A and B. Don’t forget to carry proof of vaccination as you may be asked to show it at border control.
COVID-19 Precautions
Drinking Water Safety
Food Safety
General Hygiene
Security Awareness
Regional Instability and Political Unrest
Medical Facilities
Legal and Cultural Considerations
General Travel Tips
Tourist Traps
Areas to Avoid

Useful United States of America Travel Safety Resources

Centers for Disease Control and Prevention (CDC - Traveler's Health)

U.S. Department of State (U.S. State Department - Travel Advisories)

U.S. Customs and Border Protection (U.S. Customs and Border Protection - Know Before You Go)

World Health Organization (World Health Organization - International Travel and Health)

U.S. Food and Drug Administration (Food Safety - U.S. Food and Drug Administration)

Environmental Protection Agency (Water Safety - Environmental Protection Agency)

United States of America Emergency Numbers

Police

Dial 911 for police emergencies.

Fire Department

Dial 911 for fire emergencies.

Ambulance

Dial 911 for medical emergencies.

General Emergency

Dial 911 for any emergency assistance.

Discovering and Getting Around United States of America

Navigating the United States of America is an adventure in itself, thanks to its comprehensive and diverse public transportation system. Whether you're riding the rails, catching a bus, hopping on a ferry, or biking through scenic routes, there's no shortage of ways to explore this immense and beautiful country. This guide is your go-to for all the essential information about public transportation in the USA, ensuring that you can move around smoothly and make the most of your adventures.

Trains

Amtrak is the primary operator of intercity passenger rail services in the United States, offering routes that connect major cities and scenic destinations. Renowned for comfort and ease of travel, Amtrak is ideal for long-distance travel across the country. Major hubs include cities like New York, Chicago, Washington D.C., and Los Angeles. Don't forget to check out the different classes of service and rail passes to get the best deals.

Buses

For those looking to travel by bus, Greyhound is the ubiquitous choice, covering a vast network of routes across North America. Greyhound buses are known for affordability and flexibility, with numerous stops in small towns and big cities alike. Other regional bus carriers like Megabus and BoltBus offer competitive prices and amenities, making bus travel a viable option for budget-conscious travelers.

Subways and Light Rail

Major cities in the United States have extensive subway and light rail systems that are perfect for navigating urban areas. New York City's MTA operates one of the world’s most famous subway systems, while cities like San Francisco (BART), Los Angeles (Metro), and Washington D.C. (WMATA) offer efficient rail services. These systems are generally considered the fastest way to get around congested urban areas.

Ferries

Ferry services offer scenic and practical transportation options, particularly in coastal cities like New York, San Francisco, and Seattle. In New York, the Staten Island Ferry provides free rides and stunning views of the Statue of Liberty and Manhattan skyline. In other cities, ferries offer easy access to nearby islands and waterfront attractions, often serving as a delightful and scenic part of the journey.

Bike Sharing

Many U.S. cities have adopted bike-sharing schemes, providing a convenient and eco-friendly way to explore urban areas. Systems like CitiBike in New York City, Divvy in Chicago, and Bay Wheels in San Francisco allow you to rent bicycles for short trips. Bike-sharing is economical and often gives you a unique perspective of the city as you navigate through its streets and parks.

Ride-Sharing

Ride-sharing services such as Uber and Lyft are ubiquitous in most U.S. cities and offer a convenient and often cost-effective means of travel. These services can be particularly useful for short trips or in areas where public transportation options are limited. Thanks to mobile apps, booking a ride is easy, and you can quickly compare prices and estimated arrival times.

Useful United States of America Transporation Resources

amtrak.com (Amtrak: America's Railroad)

greyhound.com (Greyhound: National Bus Service)

transportation.gov (U.S. Department of Transportation)

mta.info (Metropolitan Transportation Authority (New York))

sfmta.com (San Francisco Municipal Transportation Agency (SFMTA))

metro.net (Los Angeles Metro)

transitchicago.com (Chicago Transit Authority)

wmata.com (Washington Metropolitan Area Transit Authority)

nacto.org (Bike Share Schemes (National Overview))

Driving Rules in United States of America

Driving in the USA requires familiarity with local road regulations and safety practices. Here's what you need to know.

Road Side

In the USA, vehicles drive on the right side of the road.

Driver's License

An International Driving Permit (IDP) is recommended but not required. Visitors can drive with a valid foreign license for up to a year.

Speed Limits

Speed limits are typically 25-35 mph in urban areas, 55-70 mph on highways, unless otherwise posted.

Seat Belts

Seat belts are mandatory for all passengers in both front and rear seats.

Mobile Phone Use

It is illegal to use a handheld mobile phone while driving. Hands-free devices are permitted.

Alcohol Limit

The legal blood alcohol limit is 0.08%. For drivers under 21, the limit is 0.01%.

Child Safety

Child safety seats are required for young children. Check local regulations for specific requirements.

United States of America Timezones

The USA operates across multiple time zones including Eastern Standard Time (EST), Central Standard Time (CST), Mountain Standard Time (MST), and Pacific Standard Time (PST). Daylight Saving Time (DST) is observed in many areas.

United States of America Borders

The USA shares borders with Canada to the north and Mexico to the south.

United States of America's Border with Canada

The USA shares the world's longest undefended border with Canada. The two countries maintain strong economic and security ties.

United States of America's Border with Mexico

The USA shares a southern border with Mexico. The region is key for trade and cultural exchange, with several major border crossings.