Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX: 923

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-923 A Laton CA LATNCA11RS0  9740 PACIFIC BELL 728      
559-923 0 Laton CA FRSNCA01TMD  939H COMMIO, LLC 728   2023-08-19   
559-923 1 Laton CA LATNCA11RS0  9740 PACIFIC BELL 728      
559-923 2 Laton CA FRSNCA01XXZ  145J TERRA NOVA TELECOM INC. 728   2024-09-14   
559-923 4 Laton CA LATNCA11RS0  9740 PACIFIC BELL 728      
559-923 5 Laton CA LATNCA11RS0  9740 PACIFIC BELL 728      
559-923 8 Laton CA FRSNCA01TMD  939H COMMIO, LLC 728   2023-08-19   
559-923 9 Laton CA FRSNCA01TMD  939H COMMIO, LLC 728   2023-08-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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