Local Calling Guide

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

NXX: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-434 A Rancho Penasquitos CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-434 0 Rancho Penasquitos CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-434 1 Rancho Penasquitos CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-03-21   
858-434 2 Rancho Penasquitos CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-434 3 Rancho Penasquitos CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-03-21   
858-434 4 Rancho Penasquitos CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-434 5 Rancho Penasquitos CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2020-03-02   
858-434 6 Rancho Penasquitos CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-434 7 Rancho Penasquitos CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-434 8 Rancho Penasquitos CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2020-03-02   
858-434 9 Rancho Penasquitos CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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