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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-317 A Pasadena: La Cañada DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-317 0 Pasadena: La Cañada DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-12-25   
747-317 1 Pasadena: La Cañada DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 2 Pasadena: La Cañada DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 3 Pasadena: La Cañada DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 4 Pasadena: La Cañada DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 5 Pasadena: La Cañada DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 8 Pasadena: La Cañada DA CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2023-10-23   
747-317 9 Pasadena: La Cañada DA CA   649C ONVOY, LLC - CA 730   2024-04-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.