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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-400 A Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-400 0 Compton: Gardena DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-27   
310-400 1 Compton: Gardena DA CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2009-12-17   
310-400 2 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-13   
310-400 3 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-05-29   
310-400 4 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-13   
310-400 5 Compton: Gardena DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-04-07   
310-400 6 Compton: Gardena DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-27   
310-400 7 Compton: Gardena DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2009-06-04   
310-400 8 Compton: Gardena DA CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2009-12-31   
310-400 9 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-06-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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