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: 426

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-426 A El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 0 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-03-09   
310-426 1 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 2 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 3 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 4 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-12-08   
310-426 5 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 6 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 7 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 8 El Segundo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-21   
310-426 9 El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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