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Phone Directory 671-637 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
671-637 Agana, GU Teleguam Holdings Guam Landline 05/01/2002

Other Series For Prefixes

671-6370###
671-6371###
671-6372###
671-6373###
671-6374###
671-6375###
671-6376###
671-6377###
671-6378###
671-6379###