+1How to dialCapitalHow to dialTo call Guam from abroad, dial your international access prefix (e.g. 00, +) then the country code +1 (without the +), then the local number without its leading 0.CapitalHagΓ₯tΓ±aRelated entriesπ¦πΊ Australia+61π³πΏ New Zealand+64π«π― Fiji+679π΅π¬ Papua New Guinea+675Dialing codes follow the ITU E.164 plan and may change; confirm with your carrier for exact prefixes.Share