eSIM for Guam
Prepaid mobile data from £4.49 · delivered instantly by email
Get mobile data in Guam without roaming fees: prepaid eSIM plans from £4.49, delivered by email within minutes. Install it before you leave and it connects to a local network when you land.
Guam eSIM at a glance
- Price
- from £4.49
- Plans
- 8
- Validity
- 1 day – 30 days
- Data
- 0.49 GB – 30 GB
- Networks
- Docomo
- Delivery
- Instant, by email (QR code)
Mobile internet in Guam: what to know
The practical side of staying connected in Guam: network quality, calls, blocked apps and local SIM rules.
- Mobile network
- 5G in major cities, 4G/LTE elsewhere
- WhatsApp & FaceTime calls
- Work normally
- Blocked on local networks
- No major apps
- Local SIM card
- Shop visit needed; the eSIM avoids it
- Main airports
- Guam (GUM)
eSIM for Guam: your questions
How much does an eSIM for Guam cost?
Plans for Guam start at £4.49 for 0.49 GB · 1 day. There are 8 plans to choose from, valid from 1 day to 30 days.
What is the best Guam eSIM for a one-week trip?
For 7 days in Guam, the best value is 3 GB · 7 days at £16.99: enough for maps, messaging, ride apps and social media. If you stream, make video calls or work online, take 10 GB · 30 days for £47.49.
Which eSIM should I get for two weeks in Guam?
For 14 days in Guam, the best value is 5 GB · 15 days at £26.49: enough for maps, messaging, ride apps and social media. If you stream, make video calls or work online, take 20 GB · 30 days for £83.49.
Is there 5G in Guam?
Yes, in major cities. Elsewhere in Guam you get 4G/LTE, which is fast enough for maps, video calls and streaming. Your eSIM uses 4G/LTE, and 5G where the partner network allows it.
Do WhatsApp and FaceTime calls work in Guam?
Yes. Voice and video calls on WhatsApp, FaceTime, Telegram and similar apps work normally over the eSIM data in Guam.
Do I need to register a SIM or show my passport in Guam?
No. Your eSIM is bought online and needs no passport check or registration in Guam.
Will my eSIM work as soon as I land at Guam (GUM)?
Yes. Install the eSIM at home, switch it on when you land at Guam (GUM), and it connects to a local network within a minute or two. You can order a ride or message your hotel before you leave the airport.
Where does the eSIM work in Guam?
Coverage is strong in Tumon and Hagåtña and along main roads.
Which mobile networks does the eSIM use in Guam?
The eSIM connects to Docomo and switches to the best available network automatically.
How much data do I need for a week in Guam?
For maps, messaging and social media, 1 to 3 GB per week is usually enough. If you make video calls, stream or work online, choose 5 GB or more, or an unlimited plan.
Can I buy my Guam eSIM before I travel?
Yes, and it is the best option: install it at home over Wi-Fi. The plan only starts when your phone first connects to a network in Guam.
Will WhatsApp still work with my usual number?
Yes. WhatsApp stays linked to your number. Keep your regular SIM on for calls and SMS if you want, and use the eSIM for data.
