Local Calling Guide

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NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 765

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-765 A El Segundo CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-765 0 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-08-16   
310-765 1 El Segundo CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-765 2 El Segundo CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-765 3 El Segundo CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-765 4 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2001-03-09   
310-765 5 El Segundo CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-765 6 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-31   
310-765 7 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-09-28   
310-765 8 El Segundo CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-07-06   
310-765 9 El Segundo CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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