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: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 956

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-956 A Poway CA SNDGCA023KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 732      
858-956 0 Poway CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-956 1 Poway CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-956 2 Poway CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-956 3 Poway CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-956 4 Poway CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-956 5 Poway CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732      
858-956 6 Poway CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732      
858-956 7 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-956 8 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-956 9 Poway CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.