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: 747 [Rate centres in NPA 747] [Dial plan for NPA 747]

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-397 A San Fernando: Sepulveda DA CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
747-397 0 San Fernando: Sepulveda DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-397 1 San Fernando: Sepulveda DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-397 2 San Fernando: Sepulveda DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-397 3 San Fernando: Sepulveda DA CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
747-397 4 San Fernando: Sepulveda DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-397 5 San Fernando: Sepulveda DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-397 6 San Fernando: Sepulveda DA CA LSANCARC32Z  073H TELNYX LLC 730      
747-397 7 San Fernando: Sepulveda DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-397 8 San Fernando: Sepulveda DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
747-397 9 San Fernando: Sepulveda DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.