Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 912

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-912 A Inglewood CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-912 0 Inglewood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-10-07   
310-912 1 Inglewood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-11-06   
310-912 2 Inglewood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-10-07   
310-912 3 Inglewood CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-10-10   
310-912 4 Inglewood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-10-07   
310-912 5 Inglewood CA   899D METROPCS NETWORKS, LLC 730   2012-06-22   
310-912 6 Inglewood CA   649C ONVOY, LLC - CA 730   2012-07-05   
310-912 7 Inglewood CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-06-19   
310-912 8 Inglewood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-20   
310-912 9 Inglewood CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-07-28   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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