USA eSIM

A USA eSIM from Slashtel is a data only plan for travellers, from $2.79. It runs on Verizon, AT&T and T-Mobile with 5G where available, and the network is chosen automatically. Choose 1GB to 20GB for 7 to 90 days, install it before you fly and keep your home SIM for calls and bank codes.

Choosing an eSIM for the USA

What matters is coverage on the main networks, enough data for your trip, a validity that matches your dates and a hotspot you can use. Price comes after those four things, not before.

If you are asking which is the best eSIM for the USA, the honest answer is the one that fits your route and your data habits. A short city break and a three week road trip have different needs, and a plan that is too small costs you more in hassle than a slightly larger one costs in money.

Check coverage first. The USA is large, and the quality of your connection depends on which network your phone picks up where you are standing. Slashtel plans work across Verizon, AT&T and T-Mobile, and your phone connects to a suitable network automatically, so you do not have to choose one by hand or change settings as you move between states.

Check data second. Maps, messaging and booking apps are light. Video, cloud photo backups and hotspot use on a laptop are heavy. The section below on data sizes sets out realistic numbers by trip type.

Check validity third. A plan runs for a set number of days from activation, so buy a duration that covers your whole trip with a little room. If you are in the USA for 10 days, a 15 day plan gives you a buffer for a delayed flight or a longer stay.

Check hotspot fourth. If you plan to work from a hotel room or share data with a travel companion, confirm the plan supports it before you buy. Hotspot use draws on the same data allowance as your phone.

Finally, install before you travel. You can add the eSIM to your phone at home on wifi, leave it switched off, and turn it on when you land. That avoids hunting for airport wifi while tired.

Plans and prices for the USA

Slashtel sells USA data in sizes from 1GB to 20GB, valid for 7, 15, 30 or 90 days, with prices from $2.79. Prices below are live and update automatically.

Not every size is offered on every duration, so match the two together when you buy. A 1GB plan is aimed at a short trip with light use. A 20GB plan on 90 days suits a long stay, a work trip with hotspot use, or a family that shares data.

If your dates are fixed, work backwards from your return flight. Buy one plan that covers the whole period rather than two short ones, because a single plan is simpler to manage and you avoid the risk of running out mid trip.

Networks and coverage in the USA

USA eSIM plans connect to Verizon, AT&T and T-Mobile, with 5G where those networks provide it. Your phone selects a network automatically, so there is no manual setup and no app to configure.

These three carry the bulk of mobile traffic in the USA, and between them they cover cities, suburbs and the interstate corridors that road trippers use. In Manhattan, Miami, Orlando and the major business districts you should expect a strong signal. On rural stretches between cities, coverage depends on the network your phone has selected and the terrain.

A few practical points for travellers:

• Leave network selection on automatic. Manually locking to one carrier can leave you without service where that carrier is weak.
• Expect variation in national parks and remote areas. Download offline maps before you drive into them.
• 5G is available where the networks have deployed it. Your phone shows the technology it is using in the status bar.
• If data stops, toggle airplane mode for a few seconds. The phone will reselect a network.

For a road trip, download your route and any hotel bookings while you have a strong connection, then drive. Data will return when you reach the next town.

How much data you need

Most travellers need between 1GB and 5GB for a holiday, and 10GB or more for work or heavy hotspot use. These are the trip types Slashtel sizes plans for:

• One week: 1GB for 7 days. Enough for maps, messages and light browsing if you stay on wifi for video.
• Two weeks: 2GB for 15 days. A sensible fit for a New York and Florida holiday with occasional photo uploads.
• One month: 3GB for 30 days. Suits a longer stay with regular messaging and navigation.
• Business travel: 10GB to 15GB for 30 days if you tether a laptop, join video calls and work away from hotel wifi.
• Long stay or heavy use: 20GB for 90 days for extended trips, families sharing a hotspot, or anyone who streams.

Be realistic about video. A few minutes of streaming uses more data than a day of maps and messages. If you plan to watch films on a train or in a hotel, buy a larger plan or use hotel wifi for that.

Install it before you fly

Add the eSIM to your phone at home, keep it switched off, and turn it on when you land. Installation takes a few minutes on wifi and needs no shop visit.

Step by step guides are here: how to install an eSIM on iPhone and Android. If you are unsure whether your handset supports eSIM, check is my phone eSIM compatible before you buy.

A simple routine:

1. Buy your plan and receive the eSIM details by email.
2. Install it while you have reliable wifi, at home or in the office.
3. Label it clearly, for example USA data, so you do not confuse it with your home SIM.
4. Keep it switched off until you land.
5. On arrival, enable the eSIM and turn on data roaming for that line, which is required for travel eSIMs to connect.
6. Leave your home SIM active for calls and texts, but set mobile data to the eSIM line.

If you install at the airport instead, do it before boarding, not after landing, when wifi may be unreliable.

Calls, texts and your home number

The USA eSIM is data only. It has no local phone number and cannot make calls or send SMS. WhatsApp, FaceTime, Signal and similar apps work over the data connection for calls and messages.

Keep your home SIM in the phone. Incoming bank codes and verification texts arrive on your normal number, and you can still make calls on it if your home operator allows roaming. Set the eSIM as your mobile data line so that apps use the travel plan, and be aware that some phones route calls over the home line by default.

Before you fly, tell your bank and any other service that sends one time codes that you will be abroad. Then test that your banking app opens and that a code arrives, while you still have home wifi.

For business travellers, this arrangement works well. Your colleagues reach you on your usual number through apps, and your laptop can use the hotspot if the plan allows it.

Questions travellers ask about the USA

Short answers to the things people ask most before buying a USA eSIM. The FAQ below covers data only plans, calls, hotspot, activation timing, topping up and phone compatibility.