Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 907 [Rate centres in NPA 907] [Dial plan for NPA 907]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
907-557 A Kongiganak AK KNGGAKXA557  3023 UNITED UTILITIES, INC. 832      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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