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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
707-780 1 Petaluma: Main DA CA   722      
707-780 3 Petaluma: Main DA CA   722      
707-780 6 Petaluma: Main DA CA   722      
707-780 9 Petaluma: Main DA CA   722      
707-785 4 Timber Cove: Sea Ranch DA CA   722   2005-07-31   
707-786 6 Ferndale CA   722   2005-07-26   
707-791 A Santa Rosa CA SNFCCASY5MD  722      
707-791 2 Santa Rosa CA   722   2014-03-01   
707-798 8 Eureka CA   722   2014-10-24   
707-800 3 Santa Rosa CA   722   2012-07-27   
707-800 4 Santa Rosa CA   722   2012-01-28   
707-800 6 Santa Rosa CA   722   2013-09-29   
707-814 4 Geyserville CA   722   2005-07-31   
707-819 5 Napa CA   722   2016-07-18   
707-820 2 Forestville CA   722   2005-10-28   
707-820 4 Forestville CA   722   2004-04-10   
707-825 3 Arcata CA   722   2008-08-14   
707-827 1 Sebastopol CA   722   2004-04-10   
707-832 4 Eureka CA   722   2005-07-31   
707-846 A Timber Cove: Timber Cove DA CA SNFCCASY5MD  722      
707-846 9 Timber Cove: Timber Cove DA CA   722      
707-847 5 Timber Cove: Timber Cove DA CA   722   2005-07-31   
707-865 6 Monte Rio CA   722   2005-07-31   
707-872 A Occidental CA SNFCCASY5MD  722      
707-872 9 Occidental CA   722      
707-876 4 Valley Ford CA   722   2005-07-31   
707-877 4 Elk CA   722   2005-07-31   
707-879 0 Tomales CA   722   2008-05-19   
707-879 1 Tomales CA   722   2005-02-19   
707-879 4 Tomales CA   722   2003-03-22   
707-885 A Gualala CA SNFCCASY5MD  722      
707-885 0 Gualala CA   722      
707-885 1 Gualala CA   722      
707-885 2 Gualala CA   722      
707-885 7 Gualala CA   722      
707-885 9 Gualala CA   722      
707-890 9 Santa Rosa CA   722   2015-08-31   
707-891 A Cloverdale CA SNFCCASY5MD  722      
707-891 3 Cloverdale CA   722      
707-891 9 Cloverdale CA   722      
707-896 4 Gualala CA   722   2005-07-31   
707-897 A Boonville CA SNFCCASY5MD  722      
707-897 7 Boonville CA   722      
707-897 9 Boonville CA   722      
707-910 2 Sebastopol CA   722   2022-11-13   
707-921 1 Santa Rosa CA   722   2009-08-10   
707-921 5 Santa Rosa CA   722   2011-03-15   
707-922 A Guerneville CA SNFCCASY5MD  722      
707-922 0 Guerneville CA   722      
707-922 1 Guerneville CA   722      

<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.