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: 417

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-417 A San Pedro CA LSANCAJWDS2  8322 MPOWER COMMUNICATIONS CORP. - CA 730      
424-417 0 San Pedro CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-417 1 San Pedro CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-417 2 San Pedro CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-417 3 San Pedro CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2018-11-16   
424-417 4 San Pedro CA   8322 MPOWER COMMUNICATIONS CORP. - CA 730   2018-09-02   
424-417 5 San Pedro CA   7453 US TELEPACIFIC CORP. - CA 730   2018-09-02   
424-417 6 San Pedro CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-417 7 San Pedro CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-417 8 San Pedro CA   073H TELNYX LLC 730   2020-11-22   
424-417 9 San Pedro CA   6529 T-MOBILE USA, INC. 730   2019-02-03   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.