United States eSIM: instant data for your trip
A United States eSIM from Simnity gives you mobile data the moment you land, with no physical SIM and no roaming bills. We currently offer 45 United States plans starting from $4.00 with validity from 3 to 365 days. Unlimited-data options are available for heavier users. Buy online, receive your QR code instantly, and connect in minutes.
Mobile coverage and networks in United States
The United States has extensive 4G LTE and broad, fast 5G, with T-Mobile offering the widest 5G footprint (around 98% of the population) and Verizon strongest in rural areas. Coverage thins out in remote regions and national parks.
The main mobile networks in United States are T-Mobile, Verizon and AT&T. Your Simnity eSIM connects to local partner networks, so you stay online across cities and most travel areas without swapping a physical SIM.
Do you need to register a SIM in United States?
No registration is required. The US has no federal SIM-registration mandate, so neither local prepaid SIMs nor travel data eSIMs require ID or passport.
What is a United States eSIM?
An eSIM is a digital SIM built into your phone. Instead of swapping a plastic card, you scan a QR code and a United States data plan is added to your device. Your normal number stays active on your main line, so you keep receiving calls and texts while you use the Simnity plan for affordable local data in the United States.
How to set up your United States eSIM
- Choose a plan above based on how many days you are in United States and how much data you need.
- Check out and pay. Your eSIM QR code arrives instantly by email and in your dashboard.
- Scan the QR code from your phone settings while on Wi-Fi, ideally before you travel.
- Turn on the line and data roaming for Simnity when you arrive, and you are connected.
Why buy your United States eSIM from Simnity
- Instant delivery. No waiting, no pickup counters. Your United States eSIM is ready in minutes.
- No roaming shock. Pay a fixed price up front and avoid surprise carrier bills.
- Keep your number. Your main line stays active for calls and texts from home.
- Unlimited options. Heavy data days are covered with unlimited United States plans.
- Top up anytime. Running low? Add more data without buying a new eSIM.
United States eSIM FAQs
How much does an eSIM for United States cost?
Simnity United States eSIM plans start at $4.00 and go up to $99.00 depending on the data amount and validity you choose. There are 45 plans available right now.
Do I need to register or show ID for a United States eSIM?
No registration is required. The US has no federal SIM-registration mandate, so neither local prepaid SIMs nor travel data eSIMs require ID or passport.
How do I activate my United States eSIM?
After you buy, you receive a QR code by email and in your Simnity dashboard. Open your phone settings, choose to add a cellular or mobile data plan, scan the QR code, and turn on data roaming for the Simnity line. Most travelers are connected within a few minutes.
Which networks does a United States eSIM use?
Mobile service in United States is provided by T-Mobile, Verizon and AT&T. Simnity United States plans run on local partner networks, so you get coverage in cities and most travel areas.
Will my phone work with an eSIM in United States?
Any eSIM-compatible, carrier-unlocked phone works. That includes iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy S and Z models. Check Settings for an "Add eSIM" or "Add data plan" option to confirm.
How long is a United States eSIM valid for?
Validity ranges from 3 to 365 days, so you can match the plan to a short trip or a longer stay. Validity starts when the eSIM connects to a network in United States.