Guam Country info Continent - Oceania Guam capital - Hagåtña Guam ISO code - GU Guam ISO3 code - GUM Guam dialing prefix - +1-671 Next States Agana Heights Agat Asan Barrigada Chalan Pago-Ordot Dededo Hagatna Inarajan Mangilao Merizo Mongmong-Toto-Maite Piti Santa Rita Sinajana Talofofo Tamuning Umatac Yigo Yona See Also: wake up call at 8 am set 60 second timer md5 reversedate calculatorinfinite stopwatchroll a d6 diceHow many days are in January 1970