Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-336 A Los Angeles: DA 09 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
323-336 0 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-336 1 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-336 2 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-336 3 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-336 4 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-336 5 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-336 6 Los Angeles: DA 09 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-09-21   
323-336 7 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-07-15   
323-336 8 Los Angeles: DA 09 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-05-22   
323-336 9 Los Angeles: DA 09 CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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