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: 883

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-883 A Poway CA   6529 T-MOBILE USA, INC. 732      
858-883 0 Poway CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2013-07-11   
858-883 1 Poway CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2017-01-02   
858-883 2 Poway CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2004-10-07   
858-883 3 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2015-11-20   
858-883 4 Poway CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2017-10-23   
858-883 5 Poway CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2017-03-25   
858-883 6 Poway CA   145J TERRA NOVA TELECOM INC. 732   2021-10-02   
858-883 7 Poway CA   145J TERRA NOVA TELECOM INC. 732   2021-01-06   
858-883 8 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2015-12-31   
858-883 9 Poway CA   5562 METROPCS, INC. 732      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.