Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 671 [Rate centres in NPA 671] [Dial plan for NPA 671]

NXX: 979

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
671-979 A Agana GU HRMNGUABDS0  335E PTI PACIFICA INC. DBA IT&E - GU 871      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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