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
310-744 A El Segundo CA GRDNCA02DS3  7421 AT&T LOCAL 730      
310-744 0 El Segundo CA   8827 BROADWING COMMUNICATIONS, LLC - CA 730   2005-06-23   
310-744 1 El Segundo CA   8827 BROADWING COMMUNICATIONS, LLC - CA 730   2005-06-23   
310-744 2 El Segundo CA   7421 AT&T LOCAL 730      
310-744 3 El Segundo CA   7421 AT&T LOCAL 730      
310-744 4 El Segundo CA   8827 BROADWING COMMUNICATIONS, LLC - CA 730   2005-06-23   
310-744 5 El Segundo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-11   
310-744 6 El Segundo CA   649C ONVOY, LLC - CA 730   2008-08-16   
310-744 7 El Segundo CA   8827 BROADWING COMMUNICATIONS, LLC - CA 730   2004-06-26   
310-744 8 El Segundo CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2005-08-19   
310-744 9 El Segundo CA   7421 AT&T LOCAL 730      

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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