Guam

eSIM for Guam

Plans from £7.71 • Install in minutes
4.3 on Trustpilot

Travel smarter. Connect instantly.

Activate anytime within 180 days · Instant email delivery · Install before travel · Works with iPhone & Android · No ID required

Activate anytime within 180 days · Instant email delivery · Install before travel · Works with iPhone & Android · No ID required
1GB Data
7 days from first use
Best for messaging, emails, light browsing
£7.71

Technical Specs

  • Activation Validity: 180 Days
  • Hotspot: Yes
  • Coverage: GU
  • Networks: IT&E Wireless (5G)
  • Supported Countries: Guam
  • Activation: Starts automatically when you arrive in the destination country and your eSIM connects to a local network. Must be activated within 180 days.
  • Data Only: Yes
3GB Data
15 days from first use
Best for messaging, emails, light browsing
£20.54

Technical Specs

  • Activation Validity: 180 Days
  • Hotspot: Yes
  • Coverage: GU
  • Networks: IT&E Wireless (5G)
  • Supported Countries: Guam
  • Activation: Starts automatically when you arrive in the destination country and your eSIM connects to a local network. Must be activated within 180 days.
  • Data Only: Yes
3GB Data
30 days from first use
Best for messaging, emails, light browsing
£23.24

Technical Specs

  • Activation Validity: 180 Days
  • Hotspot: Yes
  • Coverage: GU
  • Networks: IT&E Wireless (5G)
  • Supported Countries: Guam
  • Activation: Starts automatically when you arrive in the destination country and your eSIM connects to a local network. Must be activated within 180 days.
  • Data Only: Yes
5GB Data
30 days from first use
Best for messaging, emails, light browsing
£36.16

Technical Specs

  • Activation Validity: 180 Days
  • Hotspot: Yes
  • Coverage: GU
  • Networks: IT&E Wireless (5G)
  • Supported Countries: Guam
  • Activation: Starts automatically when you arrive in the destination country and your eSIM connects to a local network. Must be activated within 180 days.
  • Data Only: Yes
Most travellers choose this
10GB Data
30 days from first use
Best for maps, social media and occasional video calls
£65.58

Technical Specs

  • Activation Validity: 180 Days
  • Hotspot: Yes
  • Coverage: GU
  • Networks: IT&E Wireless (5G)
  • Supported Countries: Guam
  • Activation: Starts automatically when you arrive in the destination country and your eSIM connects to a local network. Must be activated within 180 days.
  • Data Only: Yes
20GB Data
30 days from first use
Best for longer stays, streaming, hotspot and regular video calls
£119.96

Technical Specs

  • Activation Validity: 180 Days
  • Hotspot: Yes
  • Coverage: GU
  • Networks: IT&E Wireless (5G)
  • Supported Countries: Guam
  • Activation: Starts automatically when you arrive in the destination country and your eSIM connects to a local network. Must be activated within 180 days.
  • Data Only: Yes
Buying for more than one device or person? Increase quantity
1
Guam 1GB 7Days
£7.71
Install before travel. Data activates in Guam
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Plan details

Guam eSIM provides instant mobile connectivity without the need for physical SIM cards. Simply download the profile to your compatible device and activate service immediately. Ideal for travellers and professionals who value convenience and flexibility. Requires a device compatible with eSIM technology.

Check eSIM Compatibility

Unsure if your phone supports eSIM? Check your model instantly.

Included with your eSIM

  • Instant email delivery

  • Hotspot supported

  • Works on iPhone & Android

  • Fast 4G/5G data

  • Scan & connect in minutes

  • 24/7 WhatsApp support

Get connected in three simple steps

Install your eSIM in minutes. No sim card or airport queues

1

Buy your eSIM

Choose your data plan and complete checkout in seconds.

2

Install your eSIM

Your eSIM QR code is delivered instantly by email after purchase.

3

Connect instantly

Your data activates automatically when your phone connects to the local network.

skip airport sim queues. Connect instantly on arrival

skip airport sim queues.

Why eSIM is better for travel

Keep your WhatsApp number

Your WhatsApp stays connected to your usual number while using eSIM data.

Instant QR activation

Scan the QR code and install your eSIM in minutes

No physical SIM needed

Fully digital - no SIM swapping required

Why thousands of travellers trust Astaroam

Fast, reliable eSIM data with transparent pricing and seamless activation

Reliable Coverage Across Guam

Connect to trusted local networks in major cities, airports and travel destinations in Guam. Your eSIM activates automatically when you arrive - no physical SIM card required.

Install Before You Travel

Install your eSIM in advance and land connected. Your data plan activates once you arrive in Guam and connect to a supported network - no roaming charges, no SIM swapping.

No Contracts. No Hidden Fees

Enjoy prepaid mobile data with transparent pricing. No long-term commitments, no recurring payments and no surprise roaming charges.

Instant Digital Delivery

Receive your QR code by email within minutes of purchase. Simply scan, install and manage your data plan directly from your device.

Easy Top-Ups Anytime

Running low on data during your trip? Add more instantly without replacing your eSIM.

Real human support

Get help via WhatsApp before and after purchase from real people. If your eSIM hasn't been activated, you're covered by our 14-day refund policy.

Frequently asked questions

Still unsure? Here are answers to common questions before you travel.

Yes, the eSIM connects to local partner networks to provide mobile data while you're there. Coverage applies nationwide in most populated areas, including major cities and transport hubs.

The plan starts when the eSIM is activated and connects to a supported network. This usually happens when you arrive at your destination and your device connects for the first time.

After purchase, you'll receive installation instructions by email. Installation usually takes less than a minute and can be done before your travel or when you arrive.

Most modern iPhones and Android phones support eSIM. Your device must be unlocked.

You can check to see if your device supports eSIM by following the below instructions.

How to check if your iPhone supports eSIM:
Settings → Cellular/Mobile Data → Add Cellular Plan
If you see this option, your device supports eSIM.

How to check if your Android phone supports eSIM:
Settings → SIM Manager/Mobile Network → Add eSIM
If you see this option, your device supports eSIM.

Still not sure? Chat with us on WhatsApp before purchase.

Yes. You can use apps like WhatsApp, Google Maps, email, browsing and social media as normal. Data usage depends on your plan and how intensively you use these apps.

Unlimited plans include high speed data each day, subject to a fair usage policy. After the high speed allowance is used, speeds may be reduced. Full details are shown under View plan info for each plan.

Yes. As long as you top-up before your eSIM expires. Note: top-ups are not available on the unlimited plans.