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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-428 A Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-428 0 Santa Monica: Mar Vista DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-06-03   
424-428 1 Santa Monica: Mar Vista DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-428 2 Santa Monica: Mar Vista DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-19   
424-428 3 Santa Monica: Mar Vista DA CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-05-06   
424-428 4 Santa Monica: Mar Vista DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-10-25   
424-428 5 Santa Monica: Mar Vista DA CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-09   
424-428 6 Santa Monica: Mar Vista DA CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2020-03-17   
424-428 7 Santa Monica: Mar Vista DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2020-06-15   
424-428 8 Santa Monica: Mar Vista DA CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-06-11   
424-428 9 Santa Monica: Mar Vista DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-06-21   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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