Guam
Guam eSIM guide: networks, coverage and setup
Docomo Pacific · GTA · IT&E
Guam is a US territory (+1 671) with small local networks that cover most of the island. Tumon and Hagåtña are well covered.
eSIM for Guam
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Local networks
- Docomo PacificLargest local operator; covers Guam plus Saipan, Tinian and Rota.
- GTAGuam-only network, LTE on about 95% of the island.
- IT&EOperates networks on Guam, Saipan, Tinian and Rota.
5G4G LTE covers most of the island; 5G is available in main areas.
Must-knows
- If you also visit Saipan, check whether your plan covers the Northern Mariana Islands separately.
- Some US carrier plans include Guam, but many Korea-sold 'USA' eSIMs do not; check for Guam by name.
Buying a local SIM
Prepaid SIMs are sold at operator stores and some shops in Tumon.
Weak-signal areas
Good in Tumon, Hagåtña and around hotels. Southern villages, beaches and hiking areas can be weaker.
How much data do you need?
Pick a plan of about 3.6 GB