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.

La Jolla, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
858-552 8 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 9 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-554 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-558 A SNDGCA15DS1  9740 PACIFIC BELL 732      
858-567 A SNDGCA0263Z  965H FRACTEL, LLC 732      
858-567 0 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 1 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 2 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 3 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 4 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 5 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 6 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 8 SNDGCA0263Z  965H FRACTEL, LLC 732   2021-06-24   
858-567 9 SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2021-06-25   
858-568 A SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-568 0 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 1 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 2 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 3 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 4 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 5 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 6 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2008-07-13   
858-568 8 SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2007-08-03   
858-568 9 SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2008-08-25   
858-581 A PCBHCA01DS0  9740 PACIFIC BELL 732      
858-587 A SNDGCA15DS1  9740 PACIFIC BELL 732      
858-597 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-622 A SNDGCA15DS1  9740 PACIFIC BELL 732      
858-623 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 0 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 1 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2008-09-05   
858-625 2 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 3 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 4 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 5 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 6 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 7 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 8 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-625 9 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-626 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-638 A SNDGCA15DS1  9740 PACIFIC BELL 732      
858-642 A SNDGCA15DS0  9740 PACIFIC BELL 732      
858-642 0 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-642 1 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-642 2 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-642 3 SNDGCA15DS0  9740 PACIFIC BELL 732      
858-642 4 SNDGCA15DS0  9740 PACIFIC BELL 732      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.