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Guam Area Codes

Guam Area Code Map

Guam currently utilizes 1 area code. When first established by AT&T and the Bell System in 1947, Guam was not included in the system.

Guam Area Code List

671 area code

Timezone: (UTC+10)
Current time: 4:13pm

Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.