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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-744 A El Segundo CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-744 0 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730      
310-744 1 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-744 2 El Segundo CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-744 3 El Segundo CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-744 4 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-744 5 El Segundo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-744 6 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
310-744 7 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730      
310-744 8 El Segundo CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
310-744 9 El Segundo CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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