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]

<< 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-544 7 Rancho Bernardo CA SNDGCA02XOZ  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-04-18   
858-544 8 Rancho Bernardo CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-08-11   
858-544 9 Rancho Bernardo CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-08-11   
858-546 A La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-547 A San Diego: Mira Mesa DA CA SNDGCA16DS0  9740 PACIFIC BELL 732      
858-549 A San Diego: Mira Mesa DA CA SNDGCA16DS0  9740 PACIFIC BELL 732      
858-550 A La Jolla CA SNDGCA15DS1  9740 PACIFIC BELL 732      
858-551 A La Jolla CA LAJLCA11DS0  9740 PACIFIC BELL 732      
858-552 A La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 0 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 1 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 2 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 3 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 4 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 5 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2005-09-22   
858-552 6 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 7 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 8 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-552 9 La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-554 A La Jolla CA SNDGCA15DS0  9740 PACIFIC BELL 732      
858-558 A La Jolla CA SNDGCA15DS1  9740 PACIFIC BELL 732      
858-560 A San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-564 A San Diego: Mira Mesa DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-564 0 San Diego: Mira Mesa DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-564 1 San Diego: Mira Mesa DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-564 2 San Diego: Mira Mesa DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-564 3 San Diego: Mira Mesa DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2012-10-25   
858-564 4 San Diego: Mira Mesa DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2012-10-25   
858-564 5 San Diego: Mira Mesa DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2012-10-25   
858-564 6 San Diego: Mira Mesa DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2012-10-25   
858-564 7 San Diego: Mira Mesa DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2012-10-25   
858-564 8 San Diego: Mira Mesa DA CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-09-04   
858-564 9 San Diego: Mira Mesa DA CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-09-04   
858-565 A San Diego: Linda Vista DA CA SNDGCA03DS1  9740 PACIFIC BELL 732      
858-566 A San Diego: Mira Mesa DA CA SNDGCA16DS0  9740 PACIFIC BELL 732      
858-567 A La Jolla CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-567 0 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 1 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 2 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 3 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-07-22   
858-567 4 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 5 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 6 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 7 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2021-08-13   
858-567 8 La Jolla CA SNDGCA0263Z  965H FRACTEL, LLC 732   2021-06-24   
858-567 9 La Jolla CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2021-06-25   
858-568 A La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-568 0 La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 1 La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   
858-568 2 La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-10-30   

<< 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.