Top picks for Guam SIM card

Discover 7 SIM card in Guam on Trip.com, updated 28 October 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From VND 20,067 per person, with an average total of VND 72,914. Choose the option that suits your plan.

With 6.183k verified reviews, SIM card Guam boast an average rating of 4.5.

This week's most popular SIM card: "Global 77 Countries 4G/5G eSIM | Day Pass/Total Data Package | 24-Hour Billing | QR Code", with 5.97k reviews and a 4.6 rating.

The next available day tour departs on 29 October 2026. Book now to secure your spot!

Guam SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

October is the perfect time to visit Guam! Choose from 7 available day tours, including seasonal favorites like Global 77 Countries 4G/5G eSIM | Day Pass/Total Data Package | 24-Hour Billing | QR Code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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7 results for Guam SIM card

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RecommendedAttractions (424)Day tours (9)Water activities (2)Outdoor experiences (4)Boat experiences (3)Cultural experiences (2)City sightseeing (1)Nature & wildlife (4)Food & drink (5)Shows & events (3)SIM card (7)

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Reviews/Trip Moments

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Reviews: Guam · Saipan 5G eSIM | All AI Supported | 1–30 Days | QR Code
Guest User2026-10-27
Signal was great. Price is much cheaper than local sim and better plan before you go.
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Reviews: Saipan/Guam 5G/4G eSIM | Daily Package/Data Package | 24-Hour Billing | 1-30 Days | QR Code
Guest User2026-10-28
I traveled to Guam from October 24th to 28th, but my flight was delayed due to a typhoon, and I didn't arrive in Guam until the early morning of October 25th. The 4-day pre-order at the airport was incredibly convenient – ​​it installed automatically and instantly! It was quick, convenient, and cheap – fantastic! (Except for some poor signal inside department stores, everything else was great – even in areas with bad signal, there was mall Wi-Fi! 🤣🤣)
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Reviews: Saipan & Guam eSIM Docomo Pacific 5G Local Network | Daily Package / Data Package | 3–8 Days | 24-Hour Billing | QR Code
Guest User2026-08-10
The connection was good, and since I installed it in advance, I was able to use it immediately upon arriving in Guam. I was assigned a local number, so I was able to make calls conveniently while there.
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Reviews: Global 77 Countries 4G/5G eSIM | Day Pass/Total Data Package | 24-Hour Billing | QR Code
Guest User2026-10-23
I thought the SIM card would work on a cruise (directly at sea) from Shanghai to Korea, but I was wrong. The coverage was significantly better than a SIM card that only goes to Korea or only goes to China.

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