Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-903 A Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-903 0 Redondo CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730   2016-10-06   
424-903 1 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-02-03   
424-903 2 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-02-03   
424-903 3 Redondo CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-08-10   
424-903 4 Redondo CA GRDNCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2007-09-08   
424-903 5 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-08-31   
424-903 6 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-08-31   
424-903 7 Redondo CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-04-23   
424-903 8 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2008-07-01   
424-903 9 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-08-31   

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

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