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Guam eSIM
A 5 GB Guam eSIM costs £25.99 for 30 days on GTA Wireless on 5G. Plans start at £5.99 for 1 GB. Delivered by email in seconds.
Guam's network is GTA Wireless, and your eSIM connects you to it in a few taps. Pick a plan for your dates, then stay in touch on Messenger and find your way around Tumon, Hagåtña or Dededo with maps.
- 5G speeds
- 1 network: GTA Wireless
- Top up anytime
- Instant email delivery
Your Guam eSIM in two questions
Which Guam eSIM plan do I need?
On Guam, your trip length and how you use your phone decide the plan, so match those two first.
- A city break in Tumon: For three days of light use, such as maps and messages, pick 1 GB for 7 days.
- A fortnight touring Guam: For 14 days of standard use, with social media, music and some video, pick 10 GB for 30 days.
- A month-long stay: For 30 days of standard use, pick 20 GB for 30 days.
- Island hopping: If your trip also takes in other countries, the Global bundle covers 117 countries, so one eSIM can take you further.
The longest plan lasts 30 days, and most plans can be topped up if you need more data.
All 48 Guam eSIM plans
Prices include any taxes. Price per GB shown so you can compare at a glance.
| Data | Valid for | Price | Per GB | Top-up | Buy |
|---|---|---|---|---|---|
| 1 GB · 7 days | £5.99 / €7.99 / $7.99 | £5.99 / €7.99 / $7.99 | Choose | ||
| 3 GB · 15 days | £15.99 / €18.99 / $19.99 | £5.33 / €6.33 / $6.66 | Choose | ||
| 3 GB · 30 days | £16.99 / €19.99 / $21.99 | £5.66 / €6.66 / $7.33 | Choose | ||
| 5 GB · 30 days | £25.99 / €30.99 / $33.99 | £5.20 / €6.20 / $6.80 | Choose | ||
| 10 GB · 30 days | £50.99 / €60.99 / $65.99 | £5.10 / €6.10 / $6.60 | Choose | ||
| 20 GB · 30 days | £94.99 / €113.99 / $123.99 | £4.75 / €5.70 / $6.20 | Choose |
Networks your Guam eSIM uses
Your eSIM joins this local network automatically, wherever you are in Guam.
| Country | Networks | Speed |
|---|---|---|
| Guam | GTA Wireless | 4G |
Good to know
- Data only: your own number keeps working for calls and texts
- Hotspot works where your phone and the network allow it
- Plans start when you first connect; install within 180 days
- Your data routes through Singapore, so some sites may show that country
- Top up the same eSIM any time, no new QR code
Travelling further?
These eSIMs cover Guam and more countries on one plan.
Will my eSIM have signal in Guam?
GTA Wireless is the network your eSIM joins on Guam, and your phone picks it up by itself. It runs on 4G, which is plenty for maps, Messenger and everyday browsing. There's nothing to set up.
Your data reaches the internet through Singapore, a normal setup for travel eSIMs. You can read more on the IP address help page.
Daily plans slow to a fair use speed once you've used that day's allowance, so save heavy video for days when you have allowance left.
How much data do you need in Guam?
Light: maps, messages, email (about 0.25 GB a day). Standard: plus social, music, some video (about 0.7 GB a day). Heavy: plus streaming, video calls, hotspot (about 1.8 GB a day).
3 days
- Light · about 800 MB1 GB · 7 days · £5.99 / €7.99 / $7.99
- Standard · about 2 GB3 GB · 15 days · £15.99 / €18.99 / $19.99
- Heavy · about 5 GB1 GB a day · 7 days · £23.49 / €28.49 / $30.49
7 days
- Light · about 2 GB3 GB · 15 days · £15.99 / €18.99 / $19.99
- Standard · about 5 GB1 GB a day · 7 days · £23.49 / €28.49 / $30.49
- Heavy · about 13 GB1 GB a day · 15 days · £34.99 / €41.99 / $45.99
14 days
- Light · about 4 GB5 GB · 30 days · £25.99 / €30.99 / $33.99
- Standard · about 10 GB1 GB a day · 15 days · £34.99 / €41.99 / $45.99
- Heavy · about 25 GB1 GB a day · 30 days · £69.99 / €83.99 / $90.99
30 days
- Light · about 8 GB10 GB · 30 days · £50.99 / €60.99 / $65.99
- Standard · about 21 GB1 GB a day · 30 days · £69.99 / €83.99 / $90.99
- Heavy · about 54 GB2 GB a day · 30 days · £146.99 / €176.49 / $191.49
How to set up your Guam eSIM
Install at home
On Wi-Fi, tap Install on iPhone (iOS 17.4+), scan the QR code, or type the two codes from your email.
Switch on when you land
Turn on your eSIM line, choose it for mobile data and switch Data Roaming on for that line.
You're online
Your phone joins GTA Wireless and your plan starts. Check data left on your eSIM page.
Using your phone in Guam: data tips
- Landing at Antonio B. Won Pat (GUM): Install your eSIM at home on Wi-Fi before you fly. When you land, switch the eSIM line on, then turn on data roaming for it.
- Finding your way: Before you head out, type Tumon, Hagåtña, Tamuning or Dededo into your maps app and save the route. Your eSIM connects to GTA Wireless's 4G network.
- Data, plainly: Light use, such as maps, messages and email, is about 0.25 GB a day. Heavy use with streaming and hotspot is about 1.8 GB a day, and most plans can be topped up.
- Staying in touch: Messenger is the messaging app to have ready here. Your home number stays on for calls and texts, and the WhatsApp steps show how to keep WhatsApp going too.
- Going further: The Global plan covers 117 countries, Guam included, so it's worth a look if your trip continues.
Guam eSIM questions
How much is an eSIM for Guam?
Guam eSIMs start at £5.99 for 1 GB over 7 days. A 5 GB plan for 30 days costs £25.99. Prices include any taxes and show in pounds, euros or dollars.
Which networks does the Guam eSIM use?
Your eSIM connects to GTA Wireless in Guam. Your phone picks the strongest signal automatically.
When does my Guam eSIM start?
Most plans start the moment your eSIM first connects to a network in Guam, so you can buy and install it at home before you fly. Install it within 180 days of buying.
Can I top up my Guam eSIM?
Yes. Most Guam plans can be topped up from your eSIM page in two taps, with no new QR code. The plan table on this page shows which ones.
Why does my IP address show another country?
Guam plans route your data through Singapore, a normal setup for travel eSIMs. Websites and apps may show that country's content; your speed and coverage in Guam are not affected.
Does it come with a phone number?
Every eSIMology plan is data only. Keep your own SIM switched on for calls and texts, and use WhatsApp, FaceTime or any calling app over your eSIM's data.
What if my plans change?
Cancel an eSIM you haven't installed within 30 days for a full refund to your card, in two taps from your eSIM page.
Is there 5G in Guam with an eSIM?
No, your eSIM runs on 4G only in Guam. Your eSIM connects to GTA Wireless on 4G, and maps, messages and social media all run on that.
How much data do I need for a week in Guam?
For a week of maps, messages and email, plan on about 1.8 GB. Add social media, music and some video and it's about 4.9 GB. Heavy use, with streaming and hotspot, comes to about 12.6 GB.
Can I use Messenger in Guam with an eSIM?
Yes, Messenger is the messaging app to have ready in Guam, and it runs on your eSIM's mobile data. Messages use very little data, so save the photos and videos for when you're on Wi-Fi.
Will my data slow down after a heavy day in Guam?
Once you've used your daily allowance, speed drops to 384 Kbps. That's too slow for streaming, but it's still fine for sending messages and keeping chats going.
Which airport do I land at in Guam?
Your flight lands at Antonio B. Won Pat (GUM). Install your eSIM before you board, so setup is finished before you land and you can skip the settings hunt at the baggage carousel.
Which eSIM covers Guam and other countries?
Yes. The Global plan covers 117 countries, and Guam is among them, so if your trip takes in other places on that list, one eSIM can cover them.
Ready for Guam?
Buy now, install today, and your plan waits until you land. Full refund if not installed.