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
858-246 5 La Jolla CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732   2007-08-26   
858-246 6 La Jolla CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-11-21   
858-246 7 La Jolla CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-11-21   
858-246 8 La Jolla CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732   2007-12-13   
858-246 9 La Jolla CA SNDHCAAXJMD  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732   2007-12-13   
858-247 A La Jolla CA SNDGCA0264Z  145J TERRA NOVA TELECOM INC. 732      
858-247 0 La Jolla CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2015-02-22   
858-247 1 La Jolla CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2015-02-22   
858-247 2 La Jolla CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2015-02-22   
858-247 3 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2015-04-07   
858-247 4 La Jolla CA   145J TERRA NOVA TELECOM INC. 732   2019-05-16   
858-247 5 La Jolla CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2015-06-24   
858-247 6 La Jolla CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2015-09-25   
858-247 7 La Jolla CA SNDGCA0241Z  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2015-02-20   
858-247 8 La Jolla CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2014-11-28   
858-247 9 La Jolla CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2014-11-28   
858-248 A Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-248 0 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-248 1 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732      
858-248 2 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-248 3 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-248 4 Poway CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-02-07   
858-248 5 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-248 6 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-07-16   
858-248 7 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-05-07   
858-248 8 Poway CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-03-11   
858-248 9 Poway CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-05-07   
858-249 A La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-249 0 La Jolla CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2012-12-17   
858-249 1 La Jolla CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2012-12-17   
858-249 2 La Jolla CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2012-12-17   
858-249 3 La Jolla CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2012-12-17   
858-249 4 La Jolla CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2012-12-17   
858-249 5 La Jolla CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2012-12-17   
858-249 6 La Jolla CA SNDGCA0284Z  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2012-12-17   
858-249 7 La Jolla CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2012-11-27   
858-249 8 La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2012-11-25   
858-249 9 La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2012-11-25   
858-250 A La Jolla CA SNDGCA0244Z  252F WIDE VOICE, LLC - CA 732      
858-250 0 La Jolla CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2016-09-02   
858-250 1 La Jolla CA SNDGCA0244Z  252F WIDE VOICE, LLC - CA 732   2016-10-20   
858-250 2 La Jolla CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2016-09-01   
858-250 3 La Jolla CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2016-09-01   
858-250 4 La Jolla CA SNDGCA0244Z  252F WIDE VOICE, LLC - CA 732   2016-10-20   
858-250 5 La Jolla CA SNDGCA0244Z  252F WIDE VOICE, LLC - CA 732   2016-10-20   
858-250 6 La Jolla CA SNDGCA0244Z  252F WIDE VOICE, LLC - CA 732   2016-10-20   
858-250 7 La Jolla CA SNDGCA0244Z  252F WIDE VOICE, LLC - CA 732   2016-10-20   
858-250 8 La Jolla CA SNDGCA0244Z  252F WIDE VOICE, LLC - CA 732   2016-10-20   
858-250 9 La Jolla CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2016-10-12   
858-251 A La Jolla CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 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 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.