Local Calling Guide

Area code/prefix search

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

NXX: 658

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-658 A El Segundo CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
310-658 0 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-10   
310-658 1 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-10-10   
310-658 2 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-10-10   
310-658 3 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-01-23   
310-658 4 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-01-23   
310-658 5 El Segundo CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
310-658 6 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-03-09   
310-658 7 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-07-04   
310-658 8 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-10   
310-658 9 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-08-29   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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