Country guide · North AmericaLocal SIM Cards in United States: Carriers, Plans & Prices (2026)
Tourist SIM cards in United States start at $15 from T-Mobile Prepaid. Buy at Any Best Buy, Target, Walmart, or carrier store. Airport SIM vending machines also available.. For instant data without a store visit, a HelloRoam eSIM costs from $1.66 and activates in 2 minutes. See the comparison table below.
- Recommended
- HelloRoam eSIMfrom $1.66, instant activation
- Setup time
- Under 2 mininstall before your flight
- Physical SIM from
- $15 USDT-Mobile Prepaid
- Network
- 4G LTE / 5GT-Mobile Prepaid
The United States has some of the most convenient prepaid SIM purchasing in the world: no ID required, immediate activation, and plans available at 24-hour Walmart and Target stores across the country. T-Mobile and AT&T are the two GSM carriers that work with international phones. Verizon uses CDMA technology that is less compatible with unlocked foreign handsets. Mint Mobile is the best value option at $15 for 5 GB per month, running on the T-Mobile network. For visitors arriving at JFK, LAX, or Chicago O'Hare, SIM vending machines in the arrivals area dispense T-Mobile and AT&T prepaid starter kits. For national park road trips, AT&T tends to have slightly broader rural reach than T-Mobile on back-country highways.
The US has three major carriers: T-Mobile (widest 5G), AT&T, and Verizon. Budget MVNOs include Mint Mobile, Visible, and Cricket. T-Mobile prepaid and Mint Mobile offer the best value for tourists. Coverage is strong in cities and along interstates but drops in rural areas of Montana, Wyoming, and parts of the Southwest.
eSIM for United States: the fastest option
Travel eSIMs skip the physical SIM process entirely. Buy online, scan a QR code, and your phone connects to a local network. No passport check, no airport queue, no SIM ejector tool. Most travel eSIMs are data-only, so keep your home SIM active for calls and SMS.
Local T-Mobile or Mint Mobile prepaid SIM is excellent value. HelloRoam eSIM is the better choice for short 1-2 week visits where buying and discarding a US SIM is not cost-effective, or for multi-country North American itineraries.
HelloRoam United States eSIM: our tested pick
HelloRoam scored 8.8/10 in our testing, connects to T-Mobile in the United States, and achieved 31/31 activation success. T-Mobile has the widest 5G footprint in the US.
Affiliate link. Commissions never affect our rankings or editorial findings.
| Provider | Data | Validity | Price |
|---|---|---|---|
| HelloRoamOur pick | 1 GB | 7 days | $1.66 |
| Airalo | 3 GB | 30 days | $11 |
| Holafly | Unlimited | 7 days | $22 |
eSIM provider comparison
| Provider | Price | Data | Validity | Activation | Score |
|---|---|---|---|---|---|
| HelloRoamTop rated | $1.66 | 1 GB | 7 days | Instant | 8.8/10 |
| Airalo | $11 | 3 GB | 30 days | Instant | 8.8/10 |
| Holafly | $22 | Unlimited | 7 days | Instant | 8.6/10 |
Scores based on activation speed, network coverage, support response time, and pricing across 14 countries. HelloRoam (8.8/10, 31/31 activations) is the top-rated provider. All provider links marked as affiliate.
See full eSIM guide for United States →
eSIM vs physical SIM card in United States
Here is how a HelloRoam eSIM compares to buying a local SIM card in United States across the factors that matter most to travelers.
| Feature | HelloRoam eSIM | Local SIM Card |
|---|---|---|
| Setup time | Under 2 minutes | 15-60 minutes |
| Available before travel | Yes, install up to 30 days early | No, buy on arrival |
| ID required | No | No |
| Price from | $1.66 USD | $15 USD |
| Data included | 1 GB to unlimited | Varies by plan |
| Hotspot | Included | Included on most plans |
| Support | 24/7 English | Local language, business hours |
| Local phone number | No, data only | Yes, included |
| Voice calls | Data only, use WhatsApp/FaceTime | Included |
Best SIM cards for tourists in United States
United States has 3 providers offering tourist-friendly prepaid SIM cards. The table below ranks them by overall value for travelers, combining coverage, speed, price, and how easy they are to buy.
| Provider | Type | Network | Cheapest plan | Plans | Where to buy |
|---|---|---|---|---|---|
| T-Mobile PrepaidTop pick | major | 4G LTE / 5G | $40 USD / $40 | 2 | Carrier Store, Online |
| Mint Mobile | mvno | 4G LTE / 5G | $15 USD / $15 | 3 | Online, Supermarket |
| AT&T Prepaid | major | 4G LTE / 5G | $40 USD / $40 | 2 | Carrier Store, Supermarket |
SIM card plans compared
Below are every available tourist plan across all providers in United States, sorted by price. Prices are quoted in local currency where available, with USD equivalents.
T-Mobile Prepaid
| Plan | Data | Price | Validity | Calls | SMS |
|---|---|---|---|---|---|
| Tourist Plan 10GBBest value | 10 GB | $40 USD | 30 days | Unlimited US | Unlimited |
| Tourist Plan Unlimited | Unlimited | $50 USD | 30 days | Unlimited US | Unlimited |
Mint Mobile
| Plan | Data | Price | Validity | Calls | SMS |
|---|---|---|---|---|---|
| 5GB PlanBest value | 5 GB | $15 USD | 30 days | Unlimited US | Unlimited |
| 15GB Plan | 15 GB | $20 USD | 30 days | Unlimited US | Unlimited |
| Unlimited Plan | Unlimited | $30 USD | 30 days | Unlimited US | Unlimited |
AT&T Prepaid
| Plan | Data | Price | Validity | Calls | SMS |
|---|---|---|---|---|---|
| Prepaid 15GBBest value | 15 GB | $40 USD | 30 days | Unlimited US | Unlimited |
| Prepaid Unlimited | Unlimited | $50 USD | 30 days | Unlimited US | Unlimited |
Where to buy a SIM card in United States
The best place to buy is Any Best Buy, Target, Walmart, or carrier store. Airport SIM vending machines also available.. Here is what each channel offers and what to expect.
Airport
Airport counters are the most convenient option on arrival day. Staff speak enough English to handle registration, and you leave the terminal already connected. Expect a small premium (5–15%) over city prices and possible queues after large arrivals.
Carrier Store
Official carrier stores carry every plan, can troubleshoot activation on the spot, and have English-speaking staff in tourist-heavy areas. Prices match the carrier website.
Convenience Store
Convenience stores stock prepaid SIM cards near the checkout. Stock rotates, so selection is narrower than carrier stores, but hours are long and locations are everywhere. Bring your passport.
Supermarket
Large supermarkets carry prepaid SIM starter packs in the electronics aisle. No-frills packaging, but prices are fair and no registration delay if no ID is required.
Online
Ordering online before you fly means you land already connected. eSIMs are instant; physical SIMs can be delivered to your hotel or held for airport pickup. Best prices overall.
Buying experience
At JFK Terminal 4 international arrivals, T-Mobile has a self-service kiosk near the taxi stand. You pick a plan on screen, pay by card, and the SIM dispenses in about two minutes. At Walmart stores, the electronics section has a locked cabinet with SIM cards from multiple carriers. A Walmart associate opens it, you choose a plan, pay at any checkout register, and activate via the carrier website or by calling the number on the packaging. Target and Best Buy have a similar setup. No ID is requested at any of these stores. AT&T and T-Mobile carrier stores offer more personalized help if you have questions about plan details or phone compatibility.
Coverage & network in United States
United States operates on 4G LTE / 5G networks. Coverage quality varies by provider and region.
Coverage Map for United States
Visit each carrier's website for their interactive coverage map
T-Mobile Prepaid
major carrier
Urban
Strong
Rural
Strong
Mint Mobile
mvno carrier
Urban
Strong
Rural
Moderate
AT&T Prepaid
major carrier
Urban
Strong
Rural
Strong
T-Mobile Prepaid leads on overall coverage with a rating of 5/5 for reach and 5/5 for speed. In cities, all providers perform similarly. Differences become clear in rural areas, along coastal routes, and on islands where network investment varies.
Real-world connectivity
New York, Los Angeles, Chicago, Houston, and other major cities get strong 4G and 5G from both T-Mobile and AT&T. Interstate highway coverage is good on both networks with occasional rural gaps on smaller state roads. The Southwest national parks are where coverage varies: Grand Canyon South Rim has AT&T and T-Mobile coverage near the visitor center. The canyon interior and North Rim have no signal from any carrier. Yellowstone has T-Mobile coverage at Old Faithful and in Canyon Village. Yosemite Valley has AT&T coverage in the valley floor but nothing on the high country backcountry trails. Alaska is severely limited: Anchorage is covered but the Denali park road has almost no signal.
Our verdict on SIM cards in United States
Best for: International visitors on 1-2 week trips, Business travelers needing instant connectivity, Road trippers crossing multiple states.
T-Mobile prepaid starts at $30 for 5 GB with unlimited talk and text. Mint Mobile offers 5 GB for $15/month if purchased online. eSIM costs about the same and works from the moment you land. The main eSIM advantage in the US is avoiding the store visit that physical SIM buying requires.
Activation & registration
Check your phone is unlocked
Your device must be carrier-unlocked to accept a United States SIM. Check Settings or contact your home carrier before you leave.
Choose a plan before you buy
Decide on data volume and validity period. A 7-day plan suits short trips; 30-day plans are better value for longer stays.
Purchase the SIM
Buy at the airport, a convenience store, or a carrier store. Ask staff to insert and test the SIM before you leave the counter.
Insert and configure
Insert the nano-SIM using the ejector tool. Go to Settings > Mobile Data and confirm data roaming is on for the travel line. Run a speed test to confirm you are connected.
Tips for travelers in United States
The US does not require any ID or registration for prepaid SIM cards. You can buy and activate instantly.
Mint Mobile (T-Mobile network) offers the best value with unlimited data for $30/month.
T-Mobile has the best 5G coverage. AT&T has the widest overall LTE coverage, especially in rural areas.
Buy prepaid SIMs at Walmart, Target, or Best Buy for the widest selection and competitive prices.
If visiting national parks, be aware that coverage in remote areas can be nonexistent regardless of carrier.
Common mistakes to avoid
Buying from carrier stores at airports where prices are higher. Walmart and Target have the same SIMs for less.
Choosing Verizon prepaid. While coverage is good, Verizon prepaid plans are more expensive than T-Mobile and AT&T alternatives.
Not checking CDMA vs GSM compatibility. T-Mobile and AT&T use GSM, which is compatible with most international phones.
Frequently asked questions
Do I need ID to buy a SIM card in the US?
No, the United States does not require any identification or registration for prepaid SIM cards. You can buy and activate a SIM at any retail store without showing ID.
Which carrier is best for tourists in the US?
T-Mobile and AT&T offer the widest coverage. Mint Mobile (on T-Mobile's network) is the best value option at $15-30/month. For rural areas, AT&T or T-Mobile are recommended.
Where can I buy a SIM card in New York City?
SIM cards are available at carrier stores (T-Mobile, AT&T, Verizon) throughout Manhattan, as well as at Best Buy, Target, and Walmart locations. JFK Airport also has SIM vending machines.
Will my phone work in the US?
Most modern unlocked phones work in the US. The country uses 4G LTE bands 2, 4, 12, 66, and 71 (T-Mobile) and bands 2, 4, 5, 12, 14, 17, 30, 66 (AT&T). Check that your phone is unlocked and supports at least one of these bands.
Is there coverage in US national parks?
Coverage in national parks varies widely. Popular parks like Yellowstone and Yosemite have some coverage near visitor centers, but remote trails and backcountry areas typically have no signal. Download offline maps before visiting.
Which eSIM provider is best for the United States?
HelloRoam is our top-rated eSIM for the United States (8.8/10). It connects to T-Mobile and activates in under 2 minutes with no passport required. Airalo and Holafly also offer US coverage.
What is the best prepaid SIM for visiting the USA?
T-Mobile prepaid starts at $40 for 10 GB with unlimited calls. Mint Mobile offers the best budget option at $15-30 per month on the T-Mobile network. For short visits under a week, a travel eSIM from $5-9 USD avoids the trip to a store entirely.
Can tourists buy a SIM card in the USA?
Yes. The US requires no ID, passport, or registration for prepaid SIM cards. You can buy one at any Best Buy, Target, Walmart, or carrier store and activate it immediately. SIM vending machines at JFK, LAX, and other major airports are available around the clock.
Which eSIM is best for United States?
HelloRoam connects to United States's 4G LTE / 5G network and plans start at $1.66 for 1 GB over 7 days. It works well for travelers who want data active before landing. Airalo offers a wider range of plan sizes at competitive prices. Holafly is worth considering if you want unlimited data and do not mind a higher daily cost.
Should I buy a SIM card or eSIM for United States?
Local T-Mobile or Mint Mobile prepaid SIM is excellent value. HelloRoam eSIM is the better choice for short 1-2 week visits where buying and discarding a US SIM is not cost-effective, or for multi-country North American itineraries. A local SIM from T-Mobile Prepaid starts at $15. Choose eSIM if your phone supports it and you value convenience. Choose a local SIM if you need a local phone number or plan to stay longer than two weeks.
Helpful guides
SIM card guides for nearby countries
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