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: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 425

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-425 A Culver City CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-425 0 Culver City CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-425 1 Culver City CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-425 2 Culver City CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-425 3 Culver City CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-425 4 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-425 5 Culver City CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-425 6 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-425 8 Culver City CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
310-425 9 Culver City CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.