Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 622

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-622 A Palmdale: Leona Valley DA CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
661-622 1 Palmdale: Leona Valley DA CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
661-622 2 Palmdale: Leona Valley DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-03-09   
661-622 3 Palmdale: Leona Valley DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-05-02   
661-622 4 Palmdale: Leona Valley DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-622 5 Palmdale: Leona Valley DA CA ANHMCA01XEY  516C AT&T CORP. 730   2011-06-08   
661-622 6 Palmdale: Leona Valley DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-22   
661-622 7 Palmdale: Leona Valley DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-04-13   
661-622 9 Palmdale: Leona Valley DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-09-24   

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

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