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Guam SIM Cards: Everything You Need To Know | 2023


Mar 23, 2023
Guam SIM cards


Visiting Guam soon? Make sure to know what to expect when it comes to purchasing a Guam SIM card.

You should be able to find a cheap SIM card pretty much anywhere in Oceania. In fact, most data packages are affordable, which makes the whole thing easier!

In this guide, we’ll explain where to buy a SIM card in Guam in person and online. We’ll also discuss prepaid SIM cards and eSIMs if your mobile supports them.

Before you read this guide, you may wonder if you actually need a SIM card in Guam.

If you don’t mind not having Internet, you’ll likely find free Wifi in restaurants, shopping malls, and hotels.

That said, if you need data to get around, call a cab, or translate Chamorro – you may want to get a SIM card for your travels in Guam.

Guam SIM cards

Best SIM Cards In Guam

If you’re traveling in Guam, we recommend using a SIM card from Docomo, GTA Teleguam, IT&E, or Airalo. (I’ll get back to Airalo later on, so keep reading to learn more!)

That said, if you’re planning on visiting other countries during your trip to Oceania, you might want to make sure to pick an option that offers coverage in other Oceanian countries.

How To Buy A SIM Card In Guam

You can either buy a Guam prepaid SIM card in person in some international airports, mobile provider stores, convenience stores, or online.

Usually, you can expect higher costs and low data offers at the airport, so we don’t recommend buying a SIM card at the airport.

That said, you won’t necessarily find SIM card shops in every airport, so it’s essential to keep this in mind. And, when you see a shop, you might also have limited options.

For this reason, I’d recommend buying a SIM card directly from the mobile provider store. Note that you may need your passport to buy one.

Although, this means you won’t get data right upon your arrival. So, if you prefer to be connected at all times, you could use an eSIM or purchase an Oceanian prepaid SIM card online.

Now, let’s take a look at the data plans offered by Docomo, GTA Teleguam, and IT&E.

Guam Cetti Bay



Docomo Pacific SIM Cards

Docomo Pacific offers three different types of tourist plans:

  • 3 GB, valid for 3 days for  USD 7.50
  • 7 GB, valid for 7 days for  USD 15.00
  • 14 GB, valid for 14 days for  USD 30

GTA Teleguam SIM Cards

GTA Teleguam has three different prepaid plans available:

  • Unlimited data, valid for 1 day for USD 2.50
  • Unlimited data, valid for 5 days for USD 12
  • Unlimited data, valid for 15 days for USD 35

IT&E SIM Cards

IT&E offers several main SIM-only plans for tourists:

  • Unlimited data, valid for 1 day for USD 2.50
  • 1 GB daily, valid for 7 days for USD 15
  • 40 GB, valid for 30 days for USD 60

Overall, we think Docomo is the best option if you plan to buy your SIM card in person.

That said, any would do if you can’t find their store!

How To Buy A Guam Prepaid SIM Card Online

If you wish to have your SIM card ready for your arrival, you could purchase it online or on websites like Amazon.

You’ll find different plans on Amazon. For example, the OneSimCard works in more than 200+ countries and gives you data for $0.01 per MB. Guam is included.

But there are many other options worth considering, so have a look and make sure the countries you plan on visiting are listed.

Another option is to purchase a prepaid Oceanian SIM card on Simify. This works if you live in the United States or Australia.

They currently offer two packages that cover Guam:

  • 6 GB, valid for 15 days for $40 – 120 countries available
  • 6 GB, valid for 15 days for $40

Simify Guam SIM plans

Finally, the last option is to buy an eSIM card for Guam or, if you’re traveling to multiple countries, an eSIM plan for Oceania.

How To Buy A Guam eSIM

eSIM is a new concept allowing you to have a virtual SIM card inside your phone.

If your mobile phone supports eSIM cards – it’s definitely one of the best options to get data in Guam.

Curious? Learn more about eSIMs for travelers on eSIM Roamers.

I started using eSIM as soon as my mobile phone supported it. To buy eSIMs, I usually use Airalo, a reliable eSIM provider.

Keep reading to learn more about the best eSIMs for Guam.

Airalo Guam

If you want to buy an eSIM for Guam, you could purchase one on Airalo.

This website offers many eSIM cards worldwide and special plans for Oceania and Guam.

I’ve been using Airalo for several months, and it works fine. Learn more by reading our Airalo review.

Here are the options available:

  • Ki Ora!: 1 GB, valid for 7 days for $4.50
  • Ki Ora!: 2 GB, valid for 15 days for $7
  • Ki Ora!: 3 GB, valid for 30 days for $8.50
  • Ki Ora!: 5 GB, valid for 30 days for $12
  • Ki Ora!: 10 GB, valid for 30 days for $19
  • Ki Ora!: 20 GB, valid for 30 days for $28

Airalo Guam eSIM Plan

Final Thoughts On Guam SIM Cards

As you can see, getting a prepaid SIM card in Guam or even an eSIM for your travels in Guam is pretty straightforward.

You’ll even be able to stay connected wherever you go in Oceania without changing your SIM card, especially if you purchase an Oceania or global plan.

I believe the eSIM card is the most convenient way to get data in Guam if you wish to have data upon your arrival.

This way, you won’t need to go to a store to buy a SIM card.

Obviously, you need to make sure your mobile phone supports eSIM first.

Traveling soon? Read one of the following blog posts:

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