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: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-337 A Los Angeles: DA 14 CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-337 0 Los Angeles: DA 14 CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-337 1 Los Angeles: DA 14 CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-337 2 Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-01   
323-337 3 Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-01   
323-337 4 Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-01   
323-337 5 Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-01   
323-337 6 Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-01   
323-337 7 Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-01   
323-337 8 Los Angeles: DA 14 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-09-12   
323-337 9 Los Angeles: DA 14 CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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