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.

Rancho Bernardo, CA

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
858-521 7 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-521 8 SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-09-18   
858-521 9 SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-09-18   
858-524 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-524 0 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-524 1 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2017-10-23   
858-524 2 RBRNCA11DS0  9740 PACIFIC BELL 732      
858-524 3 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-10-04   
858-524 4 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2012-09-07   
858-524 5 SNDJCA05DS3  7262 XO CALIFORNIA, INC. 732   2009-04-19   
858-524 6 SNDGCA0242Z  516C AT&T CORP. 732   2006-06-30   
858-524 7 SNDJCA05DS3  7262 XO CALIFORNIA, INC. 732   2007-04-15   
858-524 8 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2011-03-03   
858-524 9 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2012-01-17   
858-544 A SNDGCA0263Z  965H FRACTEL, LLC 732      
858-544 0 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-26   
858-544 1 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-26   
858-544 2 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-26   
858-544 3 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-26   
858-544 4 SNDGCA0263Z  965H FRACTEL, LLC 732   2021-11-25   
858-544 5 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-26   
858-544 6 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-26   
858-544 7 SNDGCA02XOZ  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-04-18   
858-544 8 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-08-11   
858-544 9 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-08-11   
858-588 A SNDGCA0263Z  965H FRACTEL, LLC 732      
858-588 0 SNDGCAJW6MD  073H TELNYX LLC 732   2021-03-16   
858-588 1 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2021-03-18   
858-588 2 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2021-03-18   
858-588 3 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2021-03-18   
858-588 4 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2021-07-16   
858-588 6 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2021-06-07   
858-588 7 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2021-06-07   
858-588 8 SNDGCA0263Z  965H FRACTEL, LLC 732   2021-03-15   
858-588 9 ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2021-07-16   
858-592 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-600 A SNDGCA02XIZ  9748 AMERICAN MESSAGING SERVICES, LLC 732      
858-605 A SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 0 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 1 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 2 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 3 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 4 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 5 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 6 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 7 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-605 8 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2010-10-16   
858-605 9 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732      
858-613 A RBRNCA11DS0  9740 PACIFIC BELL 732      
858-618 A RBRNCA11DS0  9740 PACIFIC BELL 732      

<< 1 2 3 4 5 6 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.