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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-736 9 La Jolla CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2006-01-02   
858-737 A San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-737 0 San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-737 1 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2010-03-24   
858-737 2 San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-737 3 San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2008-09-22   
858-737 4 San Diego: Linda Vista DA CA SNDGCA0242Z  516C AT&T CORP. 732   2006-06-30   
858-737 5 San Diego: Linda Vista DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-737 6 San Diego: Linda Vista DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2011-03-13   
858-737 7 San Diego: Linda Vista DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-737 8 San Diego: Linda Vista DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2020-02-06   
858-737 9 San Diego: Linda Vista DA CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2012-04-05   
858-740 A San Diego: Mira Mesa DA CA SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-740 0 San Diego: Mira Mesa DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2007-03-25   
858-740 1 San Diego: Mira Mesa DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2007-05-25   
858-740 2 San Diego: Mira Mesa DA CA SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-740 3 San Diego: Mira Mesa DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2008-09-22   
858-740 4 San Diego: Mira Mesa DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-03-05   
858-740 5 San Diego: Mira Mesa DA CA SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2008-12-08   
858-740 6 San Diego: Mira Mesa DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-06-23   
858-740 7 San Diego: Mira Mesa DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-03-05   
858-740 8 San Diego: Mira Mesa DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-06-23   
858-740 9 San Diego: Mira Mesa DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2009-11-03   
858-742 A San Diego: Linda Vista DA CA SNDGCA0266Z  516J TON80 COMMUNICATIONS, LLC 732      
858-742 0 San Diego: Linda Vista DA CA SNDGCAJW6MD  073H TELNYX LLC 732   2023-01-12   
858-742 1 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-16   
858-742 2 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-12-15   
858-742 3 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-12-15   
858-742 4 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-16   
858-742 5 San Diego: Linda Vista DA CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2024-11-11   
858-742 6 San Diego: Linda Vista DA CA SNDGCA0266Z  516J TON80 COMMUNICATIONS, LLC 732   2022-03-13   
858-742 7 San Diego: Linda Vista DA CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2024-11-11   
858-742 8 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-16   
858-742 9 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-16   
858-744 A San Diego: San Diego DA CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-744 0 San Diego: San Diego DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-06-25   
858-744 1 San Diego: San Diego DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-06-25   
858-744 2 San Diego: San Diego DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-06-25   
858-744 3 San Diego: San Diego DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-06-25   
858-744 4 San Diego: San Diego DA CA SNDGCA0263Z  965H FRACTEL, LLC 732   2021-06-24   
858-744 5 San Diego: San Diego DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-06-25   
858-744 6 San Diego: San Diego DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-06-25   
858-744 7 San Diego: San Diego DA CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-06-25   
858-744 8 San Diego: San Diego DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2021-08-06   
858-744 9 San Diego: San Diego DA CA SNDGCA02XHX  939H COMMIO, LLC 732   2024-01-29   
858-746 A Poway CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-746 0 Poway CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2021-04-17   
858-746 1 Poway CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-746 2 Poway CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-746 3 Poway CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-746 4 Poway CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2006-12-15   
858-746 5 Poway CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-04-01   
858-746 6 Poway CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-04-01   
858-746 7 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2008-05-29   
858-746 8 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2017-06-09   
858-746 9 Poway CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2012-06-18   
858-748 A Poway CA POWYCA11DS0  9740 PACIFIC BELL 732      
858-750 A La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-750 0 La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2006-09-08   
858-750 1 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2008-07-07   
858-750 2 La Jolla CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2008-08-14   
858-750 3 La Jolla CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2008-08-28   
858-750 4 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2008-09-04   
858-750 5 La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2006-09-08   
858-750 6 La Jolla CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2006-09-14   
858-750 7 La Jolla CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2006-09-14   
858-750 8 La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2007-09-19   
858-750 9 La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2006-09-08   
858-751 A San Diego: Linda Vista DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-751 0 San Diego: Linda Vista DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-751 1 San Diego: Linda Vista DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-751 2 San Diego: Linda Vista DA CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-751 3 San Diego: Linda Vista DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2009-03-30   
858-751 4 San Diego: Linda Vista DA CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-06-17   
858-751 6 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2012-10-10   
858-751 7 San Diego: Linda Vista DA CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2008-05-29   
858-751 8 San Diego: Linda Vista DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2012-10-25   
858-751 9 San Diego: Linda Vista DA CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-10-29   
858-752 A La Jolla CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
858-752 0 La Jolla CA ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-10-29   
858-752 1 La Jolla CA ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-02-03   
858-752 2 La Jolla CA ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-02-03   
858-752 3 La Jolla CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2003-02-03   
858-752 4 La Jolla CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2003-02-03   
858-752 5 La Jolla CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2005-03-22   
858-752 6 La Jolla CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-752 7 La Jolla CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2003-09-23   
858-752 8 La Jolla CA ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-08-24   
858-752 9 La Jolla CA ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-07-19   
858-753 A Rancho Bernardo CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-753 0 Rancho Bernardo CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-753 1 Rancho Bernardo CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-753 2 Rancho Bernardo CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2004-12-09   
858-753 3 Rancho Bernardo CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2013-09-12   
858-753 4 Rancho Bernardo CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2020-11-16   
858-753 5 Rancho Bernardo CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2013-11-03   
858-753 6 Rancho Bernardo CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-04-01   
858-753 7 Rancho Bernardo CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-04-01   
858-753 8 Rancho Bernardo CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2013-03-09   
858-753 9 Rancho Bernardo CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2015-02-22   

<< 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 >>

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.