Staying connected in the United States is important for travel planning, navigation, and communication. This guide introduces SIM cards for tourists in the USA and explains how to choose the right provider, data plan, and setup based on your travel needs.

USA Travel SIM Cards

Travel SIM cards in the United States are made for international visitors and provide mobile data access without needing a long-term mobile plan. These SIMs often include:

• Options for data only or data with calls and text

• Short-term use, usually valid for 7 to 30 days

• Quick setup with most devices working instantly

• Customer support available in English and other languages

Before choosing a SIM card, think about how much data you’ll use, how long you’ll be in the country, and how much you want to spend. Providers in the US offer a wide range of plans, from small data packages like 1GB to high-usage or unlimited options.

Make sure your phone is unlocked and supports U.S. network bands. Most carriers use 4G LTE bands such as 2, 4, 5, 12, 13, 17, 25, 26, 30, 41, and 66. For 5G, common bands include n5, n41, and n77. [1]

For travelers who prefer not to deal with physical SIM cards, an eSIM can be a good alternative. You can also check out our eSIM United States of America page or read our guides on the best eSIM for the USA and roaming charges in the USA to explore your options.

Prepaid SIM Cards for the USA

Prepaid SIM cards are a reliable choice for international visitors traveling to the United States. These pay-as-you-go plans allow you to buy mobile service in advance, with a fixed amount of data, calls, and texts that lasts for a set number of days. They’re ideal for travelers who want to control costs, avoid roaming fees, or only need service during part of their stay.

Most major U.S. mobile providers and international SIM card companies offer prepaid options. These plans don’t require contracts, credit checks, or long-term commitments. You can buy them online before your trip or in stores after you arrive. Many are available as both physical SIM cards and eSIMs, making them compatible with a wide range of devices.

USA Mobile Data Plans for Tourists

Mobile data plans in the United States are designed to meet the needs of both short-term visitors and those staying for several weeks. Depending on how long you're in the country, you can choose a plan that matches your expected data use and travel style.

If you’re visiting for a short time, a 7-day plan with high-speed data or unlimited access is usually enough for navigation, social media, messaging, and browsing. For longer stays, 15 to 30-day plans with larger data allowances or unlimited options are available. Some providers also include free hotspot use or discounts on streaming services. When choosing a plan, consider your daily data needs and whether you’ll regularly connect to Wi-Fi in hotels or public areas to save data.

While physical SIM cards have been widely used by international tourists in the US, a Global eSIM like Roamless offer a new and convenient way to get connected without visiting a store. eSIMs come with several advantages that make them easier to use than traditional SIM cards:

• Activate before arrival: Set up your eSIM at home and get online as soon as you land in the US

• No need to visit a store: Avoid airport kiosks and retail shops by using a digital setup

• Flexible plan options: Switch between plans from your phone, which is helpful for multi-city or cross-border travel

• Keep your SIM slot free: Leave your physical SIM in place and still use US mobile data

• Reduce waste: eSIMs eliminate plastic, making them a more eco-friendly choice

• Use the latest tech: eSIMs are supported by most new smartphones and are quickly becoming the global standard

Once you arrive in the United States, using a travel eSIM means you’re connected right away. There’s no need to search for SIM vendors or read through unfamiliar contract terms. You can open your maps, use messaging apps, and get online help from the moment you land. For tourists who want fast, reliable mobile data with less effort, eSIMs provide a simple and flexible solution.

Best SIM Cards for USA Travel

If you're traveling to the United States, staying connected is essential for navigation, communication, and online access. Prepaid SIM cards are a popular choice for international visitors who want reliable mobile service without long-term contracts or unexpected fees. Whether you prefer a physical SIM or an eSIM, many providers offer flexible plans that cover short visits or longer stays. To help you compare your options, here’s a quick look at some of the best prepaid SIM and eSIM providers for tourists visiting the US.

Each provider offers different plan types, so the best choice depends on your phone, trip length, and data needs. Roamless may suit those who want an eSIM set up in advance, while providers like T-Mobile, AT&T, Verizon, and Mint Mobile offer physical SIM options with wide coverage. Compare the plans to see which one fits your travel plans best.

USA SIM Cards: What to look for

When choosing a SIM card for your trip to the United States, it helps to consider a few key points:

• Data allowance: Plans vary from smaller options like 3 GB to unlimited data packages

• Validity period: Most tourist plans are valid for 7, 15, or 30 days

• Network coverage: Coverage is provided through major networks like AT&T, T-Mobile, and Verizon

• Extra features: Some plans include mobile hotspot access, international calling, or data rollover

• Pricing: Costs depend on the plan size and duration, ranging from $25 to $60 or more

As an example, a 10 GB plan valid for 30 days may cost around $40, while an unlimited plan typically ranges from $50 to $60. Some unlimited plans may reduce your data speed after you reach a certain usage limit, so be sure to check the fine print.

While physical SIM cards are widely available, eSIMs like Roamless offer more flexibility for travelers:

• You can activate your plan before arriving in the US

• There’s no need to visit a store or wait in line at the airport

• You can switch between data plans directly from your device

• Your phone’s SIM slot remains available for other uses

• eSIMs help reduce plastic waste

• Most modern smartphones support eSIM technology

Roamless makes it easy to stay connected as soon as you land. Instead of searching for SIM cards or dealing with unfamiliar paperwork, you can access maps, ride apps, and messaging tools immediately. For many travelers, eSIM is a convenient and reliable choice for mobile data in the US.

USA SIM Card Costs

The cost of prepaid SIM cards in the United States depends on the amount of data, plan length, and provider. Here's a quick overview to help you estimate your mobile data expenses while traveling:

Provider options include major carriers like AT&T, Verizon, and T-Mobile, as well as budget-friendly MVNOs such as Mint Mobile and US Mobile.

Tips to save money:

• Order online in advance to avoid airport markups

• Use a travel eSIM like Roamless for quick setup and better rates

• Match the plan to your actual data usage to avoid overpaying

Choosing the right plan based on your trip length and usage needs can help you stay connected across the U.S. without unnecessary costs.

How to Buy SIM Cards in the USA

Buying a SIM card in the United States is straightforward. Options include:

• Pre-ordering online for home delivery or airport pickup before your trip

• Buying at airport kiosks upon arrival (available at major airports like JFK, LAX, and San Francisco)

• Visiting retail stores like Walmart, Target, CVS, or Best Buy in most cities

• Purchasing from official mobile carrier stores located throughout the country

In most cases, you do not need to show ID or provide personal information when purchasing a prepaid SIM card. However, make sure your phone is unlocked and supports U.S. network bands to avoid connection issues.

While physical SIM cards are easy to find across the country, eSIMs offer a more convenient option. You can buy an eSIM online, activate it before your flight, and land in the U.S. with instant internet access. This helps you avoid airport lines and store visits, especially after a long trip.

eSIMs: A Digital Alternative to Physical SIMs

eSIMs are changing how travelers stay connected, offering several benefits over traditional physical SIM cards in the United States:

• Instant activation: You can purchase and activate your plan before your flight, so you're online the moment you arrive

• Multiple profiles: Keep your primary number active while using a U.S. data plan

• No physical swapping: Avoid the need to handle or store tiny SIM cards

• Environmental benefit: Reduce plastic waste by choosing a digital option

For travelers with eSIM-compatible devices, this technology provides a simple and flexible way to access mobile data without visiting a store or dealing with SIM card packaging.

SIM Card, Pocket WiFi, or eSIM for the USA?

If you're planning a trip to the United States, there are three main ways to stay connected: Pocket WiFi, physical SIM cards, and eSIMs. Each has its own pros and cons depending on your travel needs.

Pocket WiFi

• Lets multiple devices connect at the same time, useful for families or groups

• Offers stable internet access in most urban areas

• Requires carrying a separate device and keeping it charged

• May come with daily data limits or reduced speeds after a certain usage

SIM Cards

• Work directly in your unlocked phone for calls and mobile data

• Often a cost-effective option for longer trips

• Require manual installation and checking phone compatibility

• Only work on one device at a time

eSIMs

• Can be activated online before you arrive

• Support using more than one mobile plan on a single device

• Only available on phones and tablets that support eSIM technology

The right option depends on your device, how long you're staying, and how you plan to use mobile data. For solo travelers with newer phones, an eSIM is often the most flexible and convenient choice. If you prefer a physical SIM card, there are many prepaid plans available across the U.S. that offer reliable coverage and a range of data options.

Will my phone work in the USA?

Many smartphones that are unlocked and relatively new are fully compatible with mobile networks in the United States, especially those supporting 4G LTE and 5G. Before traveling, it's smart to check if your device is compatible with the frequency bands used by U.S. providers. Choosing a local prepaid SIM or eSIM can lower your mobile costs and provide stable service during your stay. Whether you're navigating busy streets in New York or spending time in quieter regions, these options will help you stay connected.

USA SIM Card: JFK Airport

New York JFK International Airport in New York offers limited but accessible options for travelers who need a SIM card upon arrival. After clearing customs, you can find vending machines in Terminal 8, including the “Sims on the Go” kiosk, which sells prepaid SIM cards from select providers. [2] These typically include basic data packages valid for 7 to 30 days.

While convenient, airport SIM purchases may come with higher prices and limited plan choices compared to what is available in the city. These SIMs are self-service and require manual setup on your phone, including APN configuration if needed.

A better and often cheaper option is to set up a travel eSIM before your trip. You can scan a QR code and get connected as soon as you leave JFK Airport and enter the city.

You can also read our guide on New York JFK Airport WiFi to learn how to get online while you're still at the terminal.

USA SIM Card: LAX Airport

Los Angeles International Airport is one of the main entry points for international travelers on the West Coast. After clearing customs, visitors can find SIM cards available at currency exchange counters in various terminals. Some arrival areas also have vending machines that sell travel SIM cards.

Buying a SIM at the airport is convenient, but the selection may be limited and prices are often higher than what you would find in the city. These SIM cards are usually self-service, so setup must be done manually on your device.

For a quicker and simpler solution, many travelers choose to install a travel eSIM before their trip. This lets you connect to mobile data as soon as you arrive, without needing to visit a store or kiosk.

You can also read our guide on Los Angeles Airport WiFi for help getting online when you land.

SIM Card for New York

New York City’s fast-paced environment and dense layout require dependable mobile connectivity. When choosing a SIM card for your stay in New York, consider the following:

• Strong signal coverage across all five boroughs

• Fast data speeds for maps, ride-hailing apps, and social media updates

• Easy access to SIM cards in city stores or online before arrival

Major carriers like AT&T, T-Mobile, and Verizon offer excellent urban coverage. If you plan to spend time in neighborhoods like Manhattan, Brooklyn, or Queens, nearly all providers will work reliably. However, user reviews can help you find the best speeds in the exact areas you’ll explore.

For additional information, check out our eSIM New York page.

SIM Card for Los Angeles

Los Angeles is a sprawling city with diverse neighborhoods, coastal areas, and popular tourist destinations. To stay connected throughout your trip, look for a SIM card that offers:

• Wide coverage across both urban and suburban areas

• Enough data for video calls, directions, and location sharing

• Compatibility with destinations like Santa Monica, Hollywood, and Downtown LA

Most national carriers and prepaid brands perform well in Los Angeles, but since the city is geographically spread out, coverage may vary slightly between neighborhoods. Checking online reviews or coverage maps can help you choose the right provider.

For more information, you can also check our eSIM Los Angeles page.

Choosing the right SIM or eSIM helps you stay connected on your trip. Whether you buy a prepaid SIM at the airport or use an eSIM before arrival, pick the option that fits your device and data needs for easy, reliable coverage.

Frequently Asked Questions

1. Can you buy a SIM card without a plan in the US?

Yes, you can buy a SIM card without a plan, but it won’t work until you add a prepaid plan or credit. Make sure to check the activation requirements of your chosen provider.

2. Do the USA SIM cards have any expiry date?

Most prepaid SIM cards have an expiry period based on the plan or last usage. This usually ranges between 30 to 90 days of inactivity, but policies vary by provider. It’s best to check with your carrier for exact details.

3. Where can I buy a SIM card in the United States?

You can purchase SIM cards at major airports, official carrier stores, electronics retailers, convenience stores, and trusted online sellers. Pre-ordering online or using an eSIM can save time and money.

4. How do I activate a U.S. SIM card or eSIM?

Activation typically takes a few minutes. For physical SIMs, insert the card and follow the carrier’s instructions, which may include entering a code or registering online. For eSIMs, scan the QR code and follow on-screen prompts to complete activation.

5. Can I use an eSIM in America?

Yes, most newer smartphones support eSIM technology, and all major U.S. carriers offer eSIM plans suitable for visitors. Using an eSIM allows you to set up your mobile plan before arrival and stay connected instantly.

Sources:

[1] GSMArena Network bands used by US carriers. https://www.gsmarena.com/network-bands.php3?sCountry=United+States

[2] JFK IAT (2024). Sims on the Go – Terminal 8. JFK Shop & Dine.