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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-450 A San Pedro CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-450 0 San Pedro CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-11-17   
424-450 1 San Pedro CA   624H ONVOY SPECTRUM, LLC 730   2021-07-19   
424-450 2 San Pedro CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-11-02   
424-450 3 San Pedro CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-02   
424-450 4 San Pedro CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-02   
424-450 5 San Pedro CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-02   
424-450 6 San Pedro CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-02   
424-450 7 San Pedro CA   6529 T-MOBILE USA, INC. 730   2019-09-01   
424-450 8 San Pedro CA   6529 T-MOBILE USA, INC. 730   2019-09-01   
424-450 9 San Pedro CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-08-31   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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