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: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-561 A Three Rivers CA THRRCA11RS0  9740 PACIFIC BELL 728      
559-561 0 Three Rivers CA THRRCA11RS0  9740 PACIFIC BELL 728      
559-561 1 Three Rivers CA THRRCA11RS0  9740 PACIFIC BELL 728      
559-561 2 Three Rivers CA   145J TERRA NOVA TELECOM INC. 728   2021-01-09   
559-561 3 Three Rivers CA THRRCA11RS0  9740 PACIFIC BELL 728      
559-561 4 Three Rivers CA THRRCA11RS0  9740 PACIFIC BELL 728      
559-561 8 Three Rivers CA FRSNCA01XDZ  776C CHARTER FIBERLINK CA-CCO, LLC - CA 728   2018-11-08   
559-561 9 Three Rivers CA FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728   2024-01-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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