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Phone Directory 671-638 Detail

State Major City Time Zone
Guam Agana Heights (UTC+10)

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
671-638 Agana, GU Teleguam Holdings Guam Landline 05/01/2002

Other Series For Prefixes

671-6380###
671-6381###
671-6382###
671-6383###
671-6384###
671-6385###
671-6386###
671-6387###
671-6388###
671-6389###