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.

San Diego: Mira Mesa DA, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
858-693 A SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 A SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 0 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 1 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 2 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 3 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 4 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2014-02-17   
858-695 5 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 6 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 7 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 8 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-695 9 SNDGCA16DS0  9740 PACIFIC BELL 732      
858-728 A SNDGCA0250Z  6630 USA MOBILITY WIRELESS, INC. 732      
858-740 A SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-740 0 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2007-03-25   
858-740 1 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2007-05-25   
858-740 2 SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-740 3 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2008-09-22   
858-740 4 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-03-05   
858-740 5 SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2008-12-08   
858-740 6 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-06-23   
858-740 7 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-03-05   
858-740 8 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-06-23   
858-740 9 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2009-11-03   
858-757 A SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-757 0 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-02-24   
858-757 1 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2016-04-03   
858-757 2 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-02-24   
858-757 3 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2016-05-03   
858-757 4 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2016-04-03   
858-757 5 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2016-06-03   
858-757 6 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2016-06-03   
858-757 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-03-28   
858-757 8 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-03-28   
858-757 9 SNDGCA0242Z  516C AT&T CORP. 732   2016-06-12   
858-761 A SNDGCA0271Z  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 732   2025-01-10   
858-761 0 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-761 1 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2003-03-16   
858-761 2 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2003-03-16   
858-761 3 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2003-03-16   
858-761 4 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2003-03-16   
858-761 5 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-761 6 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2003-10-07   
858-761 7 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2003-10-07   
858-761 8 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2003-10-20   
858-761 9 SNDGCA0271Z  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 732      
858-790 A SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-790 0 SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-790 1 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2011-03-05   
858-790 2 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2013-09-19   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.