Local Calling Guide

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NPA: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-428 A Northridge CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-428 0 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2006-12-14   
818-428 1 Northridge CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-04-16   
818-428 2 Northridge CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-11-29   
818-428 3 Northridge CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-428 4 Northridge CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-428 5 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2005-07-14   
818-428 6 Northridge CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-428 7 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2005-03-03   
818-428 8 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2005-05-02   
818-428 9 Northridge CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2007-05-19   

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

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