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: 865

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
671-865 A Agana GU   3922 TELEGUAM HOLDINGS, LLC 871   2025-10-30   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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