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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
671-456 A Agana GU SPSNNNZBCM1  387C PTI PACIFICA INC. 871      

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

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