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United States eSIM Plans

58 plans · from $3.01

The US has nationwide 5G on T-Mobile, AT&T, and Verizon networks. A travel eSIM lets international visitors avoid carrier stores and connect straight off the plane. Learn more about how eSIMs work →

Read our USA eSIM guide — T-Mobile vs AT&T vs Verizon, national park dead zones, and road trip data tips

Choose a data plan

1 GB

7 days· 0.4 GB per $1

$3.01

★ BEST VALUE

Unlimited

1 days· ∞ GB per $1

Fair use: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.

$3.84

2 GB

15 days· 0.5 GB per $1

$4.86

3 GB

30 days· 0.6 GB per $1

$6.38

Unlimited

3 days· ∞ GB per $1

Fair use: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.

$9.36

5 GB

30 days· 0.6 GB per $1

$9.94

Unlimited

5 days· ∞ GB per $1

Fair use: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.

$14.73

10 GB

30 days· 0.7 GB per $1

$17.04

Unlimited

7 days· ∞ GB per $1

Fair use: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.

$20.13

Unlimited

10 days· ∞ GB per $1

Fair use: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.

$27.69

20 GB

30 days· 0.8 GB per $1

$30.12

Unlimited

15 days· ∞ GB per $1

Fair use: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.

$40.91

50 GB

30 days· 0.8 GB per $1

$67.81

Unlimited

30 days· ∞ GB per $1

Fair use: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.

$80.47

100 GB

30 days· 0.9 GB per $1

$128.19

How “Unlimited” works: 1 GB/day at full 4G/5G speed, then 512 kbps until the daily reset — still fine for messaging, maps, email and light browsing. No total cap — the eSIM is never cut off.Read more

Siima's Unlimited plans include 1 GB of full-speed 4G/5G data every 24 hours. Once that daily 1 GB is used, your connection is slowed to 512 kbps for the rest of that 24-hour window — still usable for messaging, maps, email and light browsing, but not video streaming or video calls. The full-speed allowance resets every 24 hours, timed from when you first activate the eSIM, for the entire duration of the plan. There is no total data limit and your eSIM is never disconnected — only the speed changes after 1 GB in a day. If you'd rather have every gigabyte at full speed with no daily limit, choose a fixed-GB plan instead.

Also covered by regional plans

Visiting more than one country? These multi-country eSIMs include United States and keep working as you cross borders.

City guides

Frequently asked questions

Do I need a physical SIM card to use mobile data in United States?
No. A Siima eSIM gives you local data in United States without a physical card. Activate by scanning a QR code in your phone's settings — no shop visit, no passport check required.
How do I activate my eSIM when I arrive in United States?
Install the eSIM before you travel: open Settings → Cellular → Add eSIM and scan the QR code from your Siima confirmation email. Your data activates automatically when you first use mobile data in United States.
How much data do I need for a trip to United States?
For light use (maps, messaging, email) 1–3 GB per week is usually enough. For streaming or heavy navigation, choose a 5 GB+ plan. You can buy additional plans at any time if you run low.
Is eSIM cheaper than international roaming in United States?
Almost always yes. International roaming from most home carriers costs $10–15 per day. Siima eSIM plans for United States start from $3.01 and cover days or weeks of local data.