A travel eSIM is the cheapest way to get online in the United States, but the network your plan roams on matters more here than in almost any other country. The US is enormous, and the gap between a strong signal in Manhattan and no signal at all on a park road in Utah is a matter of which carrier your eSIM lands on.
This guide covers what coverage to expect, what the plans actually cost, and how much data a typical trip needs.
Why US coverage is different
Three national networks carry almost all US traffic: AT&T, T-Mobile and Verizon. Travel eSIMs generally roam on AT&T or T-Mobile, occasionally both. Verizon rarely appears in reseller agreements, which matters because Verizon has historically been the strongest option in parts of the rural West.
In practice:
- Cities and suburbs — all three are fine. You will get 5G in most metro areas and along the interstate corridors.
- Interstates and small towns — AT&T tends to hold on longest.
- National parks and mountain roads — coverage is patchy on every network. Assume you will lose service.
The takeaway is not that one plan is bad. It is that no US plan gives you continuous coverage across a road trip, so you should download offline maps regardless of which eSIM you buy.
Wanderly plans for the United States
| Plan | Price | Best for |
|---|---|---|
| 1GB / 7 days | $2.99 | A weekend city break |
| 3GB / 15 days | $4.99 | A week of maps and messaging |
| 5GB / 30 days | $5.99 | Two weeks of light use |
| 10GB / 30 days | $9.99 | The common choice for a two-week trip |
| 15GB / 30 days | $11.99 | Heavier map and social use |
| 20GB / 30 days | $15.99 | Remote work, hotspot use |
| 20GB / 90 days | $19.49 | Longer stays, spread out |
| 50GB / 30 days | $37.99 | A month of working online |
| 50GB / 180 days | $46.99 | Repeat visitors and snowbirds |
Daily-unlimited options run alongside these: 1GB/day from $1.99, 2GB/day from $3.99, 5GB/day from $5.99 and 10GB/day from $7.99. "Daily unlimited" means you get that much full-speed data each day, then the connection slows until the next daily reset rather than stopping.
Most US plans on Wanderly are marked USIP, which means they route through a US IP address. That matters if you need American Netflix, US banking apps, or anything that checks where you appear to be connecting from.
Browse the live list on the United States eSIM page — prices move as the catalogue updates, and that page is always current.
How much data do you actually need
For a two-week trip with maps, messaging, a few hours of social scrolling a day and occasional video calls, 10GB is the realistic middle. Go up if you plan to tether a laptop or stream.
Rough per-hour figures worth knowing:
- Google Maps navigation: about 5MB per hour
- WhatsApp voice call: around 500KB per minute
- Instagram or TikTok scrolling: 100–300MB per hour
- YouTube at 1080p: roughly 1.5GB per hour
Streaming is the one activity that will blow through any plan. If you want Netflix in the hotel, use the hotel Wi-Fi and download episodes before you leave.
Road trips and national parks
If your trip involves Yellowstone, Zion, Big Sur, the Blue Ridge Parkway or anything similar, plan for dead zones:
- 1Download offline Google Maps regions for each state before you go.
- 2Screenshot your reservation confirmations and park entry passes.
- 3Download your music and podcasts on Wi-Fi.
- 4Tell someone your route if you are driving remote roads alone.
Park lodges and visitor centres often have Wi-Fi. Cell service inside canyons and on forest roads usually does not exist, and that is true of a US carrier SIM as well.
What a travel eSIM will not do
A data-only eSIM gives you internet, not a US phone number. That means:
- No SMS from a US number, and no receiving US verification codes on it.
- Calls work through WhatsApp, FaceTime, Signal or Google Voice.
- Some US businesses (restaurant waitlists, delivery apps, rideshare verification) want a US number. Keep your home number active on your other SIM line to receive codes there, and turn its data off so it does not roam.
If you specifically need a US number, a prepaid physical SIM from a carrier store is the workaround. For everything else, data-only is cheaper and simpler.
Setting it up before you fly
Install the eSIM while you still have Wi-Fi at home. Installation needs an internet connection; activation does not.
- 1Check your phone supports eSIM — see which iPhones have eSIM or the Samsung Galaxy list.
- 2Install the profile at home, and label the line "USA".
- 3Leave it switched off until you land.
- 4On arrival, turn the line on, set it as your mobile data line, and enable data roaming for that line only.
Data roaming sounds alarming, but on a travel eSIM it is simply how the profile connects to its partner network — it does not bill you extra. Your home line is the one to keep roaming switched off on.
FAQ
Does a US travel eSIM work in Hawaii and Alaska? Yes on most plans, since both are covered by the same national networks. Coverage in rural Alaska is thin on any carrier.
Will my eSIM work in Canada or Mexico too? Not on a US-only plan. If your trip crosses borders, buy a North America regional plan instead of stacking single-country ones.
Can I use my eSIM as a hotspot in the US? Yes on Wanderly plans. Tethering counts against the same allowance, and a laptop will use data far faster than a phone.
Which network will I be on? It depends on the plan and can change while you travel, because the profile can switch between partner networks. You will see the network name in your phone status bar once you land.
Do I need a US IP address? Only if you want US streaming catalogues or need to use American banking and government sites. The USIP plans handle that.
Can I keep my home number active? Yes. Keep it on as a second line for calls and codes, with its data switched off, and use the eSIM for all internet.