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: 978

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-978 A Los Angeles: DA 14 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 0 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 1 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 2 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 3 Los Angeles: DA 14 CA   899D METROPCS NETWORKS, LLC 730   2007-07-23   
323-978 4 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 5 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 6 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 7 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 8 Los Angeles: DA 14 CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-978 9 Los Angeles: DA 14 CA   899D METROPCS NETWORKS, LLC 730   2017-10-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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