The International Dialing Code for Guam is +1 671.
Various wireless service outlets sell SIM cards to swap into your everyday personal phone. These stores are easy to locate, and staff can help you determine which service option is most appropriate for the length of your stay on the island. Cards can typically be activated on demand with a single phone call.
See the Visit Guam website for more information and a list of Guam cellular service providers.
If you have information for this section, or feedback on businesses used, please let us know at editor@noonsite.com. We also welcome new information about businesses you have used (see Related Businesses).
As a free member or guest you are restricted to 3 formalities per month. You have viewed 0 formalities this month. Please login, register or upgrade your membership to view more.
Note: you can still view formalities you have already viewed this month without counting towards your monthly limit.
