Guam: Mobile Coverage & Carriers
Guam's mobile market is served by three carriers: GTA, Docomo Pacific, and IT&E. These operators provide 3G, 4G/LTE, and 5G services, though the exact commercial launch status of 5G should be verified. A roaming eSIM on Guam would likely connect using LTE bands B2 (1900 MHz) and B4 (AWS), or 5G band n78 (3.5 GHz) where available.
Some local carriers in Guam issue eSIMs to customers, though coverage of this service among all three operators is unclear due to limited confidence in available data. Travelers and new residents should verify directly with their chosen carrier regarding eSIM availability and supported network bands, as details remain limited.
| Connectivity | As publicly reported |
|---|---|
| Network generations | 3G, 4G/LTE, 5G |
| Main mobile networks (MNOs) | GTA, Docomo Pacific, IT&E |
| Key travel bands | B2(1900), B4(AWS), n78(3.5GHz) |
| Local eSIM support | Some local carriers issue eSIMs |
| Region | Oceania |
| Capital | Hagatna |
| Calling code | +1 |
eSIM for Guam → · eSIM vs roaming →
Compiled from public-record telecom facts (the MNO roster, commercially-launched 3G/4G/5G generations, deployed travel-relevant bands and local-eSIM support) and verified June 2026; see the source we compile this country from. This country's connectivity row is currently low-confidence (small / island / single-operator / fast-changing market), so treat the carrier, band and 5G details as a starting point we are still verifying. How we compile this. Plan prices are supplied by the eSIM provider feed at publish time, not stored here.