Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 327

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-327 A Redondo CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730      
424-327 0 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-327 1 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-327 2 Redondo CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730      
424-327 3 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-327 4 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-327 5 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-327 6 Redondo CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
424-327 7 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-327 8 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-327 9 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.