There are about 170 providers and more than 3900 prepaid data plans available for Guam. With such a wide variety of options, travelers can easily find an eSIM that suits their needs.

Are there any unlimited data eSIM plans available for Guam?

Yes, several eSIM providers offer unlimited data plans for Guam. Roamify offers unlimited data for 1 to 30 days at prices ranging from $5.00 to $105.00 USD, with tethering allowed but speed may be throttled. Earth Esim provides unlimited data for 1 to 15 days, priced between $5.99 and $55.99 USD, also allowing tethering but with speed throttling and a 1 Mbps speed limit. Airalo’s unlimited plans run from 3 to 30 days and cost between $8.00 and $62.00 USD, with no specific speed restrictions listed. SimBalkan offers unlimited data for 3 to 30 days at $9.07 to $63.02 USD, noting that speed may be throttled. EscapeSIM provides unlimited data for 4 to 7 days, priced from $21.79 to $33.79 USD, with speed throttling as well. The overall price range for these unlimited plans spans from $5.00 to $105.00 USD, and travelers should be aware that many of the plans include speed throttling or limits.

What are the major mobile networks available for a travel eSIM in Guam?

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.

Can I get a travel eSIM with a phone number and SMS for Guam?

Travel eSIM plans that include a phone number and SMS are available for Guam from several providers. Airalo and RedEx eSIM offer local Guam numbers with the dialing code +1‑671, while GlobaleSIM, Earth Esim, Roamify and Orange Travel provide numbers with the US mainland code +1, which are not local Guam numbers. All of these plans support inbound and outbound voice calls and SMS, and they range in validity from 3 days to 30 days. Prices start around $8 for a 3‑day Airalo plan and can rise to about $90 for a 30‑day RedEx eSIM plan, with most options falling between $10 and $60.

These plans generally include data, voice, and SMS capabilities, though some may throttle speed or limit tethering. Travelers should confirm that the local network coverage meets their needs and that any required VoIP or messaging apps are accessible in Guam before purchasing.

Summarized by AI, Last updated: Sep 21, 2026