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Phone Directory 781-638 Detail

State Major City Time Zone
Massachusetts Boston Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
781-638 Cambridge, MA Teleport Communications America Middlesex Landline 11/20/1998

Other Series For Prefixes

781-6380###
781-6381###
781-6382###
781-6383###
781-6384###
781-6385###
781-6386###
781-6387###
781-6388###
781-6389###