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Everything you need to know about using eSIMs in Guam
There are more than 220 travel eSIM brands available for use in Guam, offering over 5, 800 prepaid data plans. With a wide variety of options, travelers can easily find an eSIM that suits their needs.
Yes, several eSIM providers supply unlimited data plans for Guam. ESIM.DOG offers plans for 1 to 30 days at prices ranging from about $3.34 to $166.32, with tethering allowed and a potential speed throttling to 1 Mbps or 384 kbps. Roamify provides similar 1‑to‑30‑day plans costing between roughly $4.47 and $115.47, where speed may be throttled. Earth Esim offers 1‑to‑15‑day unlimited plans from about $5.99 to $55.99, also allowing tethering and possible throttling to 1 Mbps. Airalo’s unlimited options last 3 to 30 days and cost between $8.00 and $62.00, with no specific speed limits listed. SimBalkan and Roamdera each provide 3‑to‑30‑day unlimited plans, priced from $8.77 to $60.91 and $16.00 to $124.00 respectively, and both note that speed may be throttled. EscapeSIM offers a shorter 4‑to‑7‑day unlimited plan ranging from $20.89 to $32.49, with tethering permitted and potential speed throttling. All these plans use 5G networks where specified, and price ranges for the unlimited options span roughly $3 to $166, depending on the provider and validity period.
Guam is served by several major Mobile Network Operators (MNOs) that provide extensive coverage and services suitable for travel eSIMs:
DOCOMO PACIFIC: A leading telecommunications provider in Guam, offering comprehensive mobile services, including 5G connectivity, and recognized for its extensive network coverage.
GTA (Guam Telephone Authority): One of the largest telecommunications companies in Guam, providing a range of cellular plans and coverage across the island, including 5G services.
IT&E: A well-established provider in Guam, offering cellular plans with competitive pricing and features like unlimited calls and texts, data rollover, and international calling options.
These MNOs own and operate the primary mobile network infrastructure in Guam, ensuring reliable connectivity for travelers using eSIM technology.
Travel eSIM plans for Guam that include a phone number and SMS are available from nine providers—Airalo, Simvito, GlobaleSIM, Earth Esim, Stixrs, simpleSIM, Roamify, RedEx eSIM, and eSIM Net. These plans provide a number that works in Guam using the U.S. country code +1; most use the local Guam code +1‑671 or +1671, while Stixrs, simpleSIM, and eSIM Net issue numbers with the French country code +33. All of the listed plans support inbound and outbound voice calls and allow both inbound and outbound SMS.
Prices for these plans start around $8.00 for a 3‑day unlimited‑data offer from Airalo and can go up to approximately $90.71 for a 30‑day plan from RedEx eSIM. Validity periods vary from 3 to 30 days, with many packages falling between 7 and 15 days. Because the phone number is generally a U.S. number, calls to and from Guam use the standard North American dialing format. Travelers may wish to confirm that any preferred VoIP or messaging services they plan to use remain accessible in Guam before purchasing.
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