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: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-206 A Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-206 0 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-206 1 Redondo CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-206 2 Redondo CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730      
424-206 3 Redondo CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-206 4 Redondo CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
424-206 5 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-206 6 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-206 7 Redondo CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
424-206 8 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-206 9 Redondo CA ANHMCA01XRY  318J COMCAST IP PHONE, LLC 730      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.