Overseas eSIM guide

eSIM for the United States

Data-only eSIM for travel, business or study in the United States. Set it up on your phone before departure and get online as soon as you arrive.

See the United States plansFrom From 0.50 USD / 7 days

By Bloomy eSIM ・ Plan data updated: May 26, 2026

  • the United States coverage
  • Data-only (voice/SMS may not be supported)
  • QR or manual setup (prepare over Wi-Fi before you go)
  • Turn on mobile data after arrival to start using it

What this page covers

  • Recommended plans
  • How to choose data
  • How to set up
  • If it won't connect
  • FAQ

Why use an eSIM in the United States

  • No hunting for a physical SIM at the airport—set it up on your phone before you go
  • Keep your home SIM in place and just add an overseas data plan
  • Use maps, ride-hailing, messaging and translation apps right after arrival
  • Choose data and days to fit anything from short trips to long stays

Recommended eSIM plans for the United States

United States 0.1GB 7Days — 0.50 USD / 7 daysUnited States 0.5GB 7Days — 0.70 USD / 7 daysUnited States 0.5GB 1Day (USIP) — 0.66 USD / 1 dayUnited States 1GB 1Day (USIP) — 1.09 USD / 1 dayUnited States 1GB 7Days (USIP) — 1.16 USD / 7 daysUnited States 1GB 1Day FUP1Mbps — 1.12 USD / 1 dayUnited States 0.5GB 1Day — 1.20 USD / 1 dayUnited States 1GB 7Days — 1.26 USD / 7 daysUnited States 1GB/Day FUP1Mbps (USIP) — 1.29 USD / 1 dayUnited States 1GB 1Day — 1.82 USD / 1 dayUnited States 2GB 1Day (USIP) — 2.06 USD / 1 dayUnited States 2GB 1Day FUP1Mbps — 2.10 USD / 1 day

Compare all the United States plans

How to choose your data amount

  • Email, maps, messaging: about 0.3–0.5GB per day
  • Plus SNS, photos, browsing: about 0.5–1GB per day
  • Heavy video or tethering: about 1–2GB+ per day
  • For long stays or uncertain use, consider an unlimited plan

These are rough guides; actual usage varies by app and behavior.

Setting up your eSIM for the United States

  1. Before departure, set up the eSIM over Wi-Fi (QR or manual)

  2. On arrival in the United States, select Bloomy eSIM for mobile data

  3. Turn on data roaming for the Bloomy eSIM line if needed

See the full setup guide

Device compatibility & SIM lock

You need an eSIM-compatible, carrier-unlocked device. Please check your device supports eSIM before buying.

If it won't connect in the United States

Check that Bloomy eSIM is selected for mobile data, data roaming is on, and you have signal.

How to fix connection issues

FAQ: eSIM for the United States

Will this eSIM work in the United States?
We offer plans that cover the United States. They work on eSIM-compatible, carrier-unlocked devices.
When should I set it up?
Install it over Wi-Fi before departure, then turn on mobile data after arriving in the United States.
Can I use a phone number or SMS?
Plans are data-only. Voice/SMS may not be supported, but internet apps like LINE and WhatsApp work fine.
What happens if I run out of data?
Depending on the plan, data stops or slows. You can buy a top-up or another plan if needed.

Related pages

Compare eSIM plansSetup guideTroubleshootingFAQ

Heading to the United States?

Compare data, days and coverage to find the plan that fits you.

Compare the United States plans