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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-343 A El Segundo CA LSAGCAJNDS0  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730      
310-343 0 El Segundo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-07-05   
310-343 1 El Segundo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-07-05   
310-343 2 El Segundo CA   6529 T-MOBILE USA, INC. 730   2006-11-11   
310-343 3 El Segundo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-11-11   
310-343 4 El Segundo CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730      
310-343 5 El Segundo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-11-23   
310-343 6 El Segundo CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730      
310-343 7 El Segundo CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2009-12-28   
310-343 8 El Segundo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-07-24   
310-343 9 El Segundo CA   6529 T-MOBILE USA, INC. 730   2006-12-14   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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