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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-749 9 San Francisco: Central DA CA   722   2013-01-07   
415-757 5 San Francisco: Central DA CA   722   2013-01-02   
415-767 0 San Francisco: Central DA CA   722   2013-06-21   
415-767 1 San Francisco: Central DA CA   722   2013-06-04   
415-780 9 San Francisco: Central DA CA   722   2014-03-01   
415-787 4 Point Reyes CA   722   2004-01-13   
415-789 3 Belvedere CA   722   2010-11-22   
415-792 5 San Francisco: Central DA CA   722   2014-10-21   
415-795 A San Francisco: Central DA CA SNFCCASY5MD  722   2010-11-13   
415-795 2 San Francisco: Central DA CA   722   2010-11-13   
415-796 0 San Francisco: Central DA CA   722   2010-03-12   
415-798 2 Novato CA   722   2011-04-24   
415-798 9 Novato CA   722   2013-08-06   
415-799 2 San Francisco: Juniper DA CA   722   2011-10-10   
415-799 3 San Francisco: Juniper DA CA   722   2011-04-07   
415-799 4 San Francisco: Juniper DA CA   722   2011-04-07   
415-801 A San Francisco: Central DA CA   722      
415-801 0 San Francisco: Central DA CA   722   2014-05-28   
415-801 2 San Francisco: Central DA CA   722   2014-05-26   
415-801 3 San Francisco: Central DA CA   722   2014-05-26   
415-801 4 San Francisco: Central DA CA   722   2014-05-26   
415-801 8 San Francisco: Central DA CA   722   2014-05-28   
415-801 9 San Francisco: Central DA CA   722   2014-05-28   
415-802 0 San Francisco: Central DA CA   722   2013-07-26   
415-802 1 San Francisco: Central DA CA   722   2013-07-26   
415-805 4 San Francisco: Central DA CA   722   2014-01-30   
415-805 5 San Francisco: Central DA CA   722   2014-01-30   
415-805 7 San Francisco: Central DA CA   722   2014-02-07   
415-805 8 San Francisco: Central DA CA   722   2014-02-07   
415-805 9 San Francisco: Central DA CA   722   2014-03-01   
415-813 A San Francisco: Central DA CA SNFCCASY5MD  722   2011-01-14   
415-813 1 San Francisco: Central DA CA   722   2011-02-10   
415-813 2 San Francisco: Central DA CA   722   2011-01-14   
415-813 3 San Francisco: Central DA CA   722   2011-01-14   
415-813 4 San Francisco: Central DA CA   722   2011-01-14   
415-813 5 San Francisco: Central DA CA   722   2011-01-17   
415-813 6 San Francisco: Central DA CA   722   2011-01-17   
415-814 0 San Francisco: Central DA CA   722   2006-12-15   
415-814 1 San Francisco: Central DA CA   722   2006-12-15   
415-814 9 San Francisco: Central DA CA   722   2006-12-15   
415-817 9 San Francisco: Central DA CA   722   2010-03-28   
415-830 3 San Francisco: Central DA CA   722   2006-12-15   
415-830 4 San Francisco: Central DA CA   722   2006-12-15   
415-830 5 San Francisco: Central DA CA   722   2006-12-15   
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   

<< 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 >>

Last updated: Sat, 14 Sep 2019 01:44:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.