Guam eSIM
Prepaid mobile data for Guam, from $5.35. One payment, no subscription, installed straight onto your phone.
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Plans for Guam
Every plan below is a single payment. Most give a set amount of data over a set number of days; plans marked “per day” give a daily data allowance instead.
Short answer: Guam eSIM, 1 GB for 7 days: $5.35; 3 GB for 30 days: $15.18. Final prices in US dollars; you can install it before you fly. Daily plans from $5.35 for 1 GB per day. Networks: GTA Wireless; network type: 4G. Validity starts when the eSIM first connects in Guam. Data only: no phone number, calls or SMS.
Prices and networks checked: 12 November 2026
“Per day” plans have a daily data allowance, and the price shown is for 1 day of use. Some slow down to a lower speed once the day’s data is used.
Validity starts when the eSIM first connects to a network in Guam.
Buy your Guam eSIM
Prefer the app? Voyafi is on the App Store and Google Play.
Guam eSIM at a glance
Voyafi has 11 prepaid eSIM plans for Guam, with 1–20 GB of data valid for 1–30 days. The cheapest is 1 GB for 1 day at $5.35. In Guam the plans run on GTA Wireless.
- Compare prices across destinations
- Can you make calls with a travel eSIM?
- How to turn on data roaming for a travel eSIM
- eSIM vs roaming vs local SIM card
- What your home operator charges abroad
- Plans
- 11
- Data
- 1–20 GB
- Validity
- 1–30 days
- Starting price
- $5.35
- Networks
- GTA Wireless
- Network type
- 4G
Networks in Guam
Your phone connects to one of these partner networks. Which one it picks depends on where you are and on signal strength.
| Operator | Network |
|---|---|
| GTA Wireless | 4G |
Guam eSIM: common questions
- How much does an eSIM for Guam cost?
- Plans for Guam start at $5.35 for 1 GB valid for 1 day. The largest gives you 20 GB for 30 days at $89.31. Prices are in US dollars and are the final amount you pay.
- Which mobile networks does the Guam eSIM use?
- In Guam the plans run on GTA Wireless. Your phone connects to whichever is available where you are.
- Does the Guam eSIM support 5G?
- The networks listed for Guam are 4G. 5G is not currently listed for this destination.
- Can I use the same eSIM in other countries?
- The plans on this page work in Guam only. If your trip continues, the Global plan covers Guam and 116 other countries on one eSIM, from $9.57.
- When does my Guam plan start?
- When the eSIM first connects to a network in Guam, not when you buy it — so you can install it at home before you travel.
- Does the Guam eSIM give me a local phone number?
- No. These plans are data-only: mobile internet, not a local phone number, and no calls or SMS. Your usual number stays on your iPhone.
- How do I buy a Guam eSIM?
- On this website or in the Voyafi app: pick Guam, choose a plan and pay once. You confirm your phone supports eSIM before you pay, then install the plan with one tap.
Regional plans that also cover Guam
Travelling on to other countries? One of these may suit the whole trip better.
Before you go
Check that your phone supports eSIM and is carrier-unlocked. You confirm this before you pay.
Install the eSIM at home over Wi-Fi. Downloading an eSIM needs an internet connection.
After you land, turn on data roaming for the travel line and select it for mobile data.
These plans are data-only: mobile internet, not a local phone number.