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.

OCN: 8826 LEVEL 3 COMMUNICATIONS, LLC - 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 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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-830 6 San Francisco: Central DA CA   722   2006-12-15   
415-830 8 San Francisco: Central DA CA   722   2006-12-15   
415-830 9 San Francisco: Central DA CA   722   2006-12-15   
415-858 6 Novato CA   722   2012-01-15   
415-858 7 Novato CA   722   2019-03-24   
415-868 4 Stinson Beach-Bolinas CA   722   2004-04-10   
415-870 A San Rafael CA   722      
415-870 2 San Rafael CA   722   2014-03-01   
415-871 0 San Francisco: Central DA CA   722   2009-08-11   
415-872 0 San Francisco: Central DA CA   722   2014-08-03   
415-872 1 San Francisco: Central DA CA   722   2014-08-03   
415-873 8 Point Reyes CA   722   2012-02-19   
415-877 1 Mill Valley CA   722   2005-01-11   
415-877 4 Mill Valley CA   722   2003-08-26   
415-878 1 Novato CA   722   2010-01-29   
415-881 4 Ignacio CA   722   2012-04-07   
415-889 2 Belvedere CA   722   2011-08-18   
415-912 1 San Francisco: Central DA CA   722   2006-11-09   
415-914 A San Francisco: Central DA CA   722      
415-914 2 San Francisco: Central DA CA   722   2015-07-20   
415-918 A San Francisco: Central DA CA   722      
415-918 2 San Francisco: Central DA CA   722   2015-08-31   
415-918 3 San Francisco: Central DA CA   722   2015-08-31   
415-918 4 San Francisco: Central DA CA   722   2015-08-31   
415-919 4 San Francisco: Central DA CA   722   2015-11-01   
415-919 5 San Francisco: Central DA CA   722   2015-11-01   
415-919 6 San Francisco: Central DA CA   722   2015-11-01   
415-930 9 San Francisco: Central DA CA   722   2014-03-30   
415-936 2 Corte Madera CA   722   2015-01-24   
415-941 A San Francisco: Montrose-Evergreen DA CA   722      
415-941 2 San Francisco: Montrose-Evergreen DA CA   722   2015-01-13   
415-944 1 Sausalito CA   722   2005-04-03   
415-944 2 Sausalito CA   722   2005-04-03   
415-944 3 Sausalito CA   722   2010-09-04   
415-944 4 Sausalito CA   722   2011-04-24   
415-960 3 Belvedere CA   722   2018-04-28   
415-967 5 San Francisco: Central DA CA   722   2011-08-11   
415-967 7 San Francisco: Central DA CA   722   2011-08-11   
415-968 A Mill Valley CA SNFCCASY5MD  722   2006-02-18   
415-968 2 Mill Valley CA   722   2011-05-28   
415-968 4 Mill Valley CA   722   2013-11-04   
415-968 5 Mill Valley CA   722   2006-02-18   
415-968 6 Mill Valley CA   722   2006-02-18   
415-969 A San Francisco: Central DA CA   722      
415-969 2 San Francisco: Central DA CA   722   2014-07-24   
415-969 3 San Francisco: Central DA CA   722   2014-07-24   
415-969 4 San Francisco: Central DA CA   722   2014-07-24   
415-969 5 San Francisco: Central DA CA   722   2014-07-24   
415-969 6 San Francisco: Central DA CA   722   2014-07-24   
415-969 7 San Francisco: Central DA CA   722   2014-07-24   

<< 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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.