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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-918 3 Mount Shasta CA CHICCA017MD  724   2008-02-13   
530-918 4 Mount Shasta CA CHICCA017MD  724   2005-08-02   
530-923 A Marysville CA WSCRCAHW3MD  726      
530-923 4 Marysville CA WSCRCAHW3MD  726   2005-07-23   
530-924 0 Chico CA CHICCA017MD  724   2009-09-07   
530-924 3 Chico CA CHICCA017MD  724   2011-06-27   
530-924 4 Chico CA CHICCA017MD  724   2005-07-25   
530-924 5 Chico CA CHICCA017MD  724   2013-09-19   
530-924 6 Chico CA CHICCA017MD  724   2014-10-19   
530-927 5 Quincy CA CHICCA017MD  724   2005-08-05   
530-931 3 Susanville CA CHICCA017MD  724   2020-05-09   
530-936 A Orland CA CHICCA017MD  724      
530-936 0 Orland CA CHICCA017MD  724      
530-936 2 Orland CA CHICCA017MD  724      
530-937 A Yreka CA CHICCA017MD  724      
530-962 5 Shasta Lake CA CHICCA017MD  724   2005-08-01   
530-965 A Chico CA CHICCA017MD  724      
530-965 9 Chico CA CHICCA017MD  724      
530-968 4 Elk Creek CA CHICCA017MD  724   2005-08-01   
530-977 2 Auburn: North DA CA WSCRCAHW3MD  726   2020-09-26   
530-988 5 Orland CA CHICCA017MD  724   2005-08-02   
530-994 5 Sierraville CA CHICCA017MD  724   2005-08-01   
530-999 2 Redding CA CHICCA017MD  724   2011-09-25   
559-201 6 Chowchilla CA SKTNCA01X6Y  738   2008-05-08   
559-214 5 Fresno CA FRSMCA150MD  728   2016-08-23   
559-226 9 Fresno CA FRSMCA150MD  728   2018-05-13   
559-234 2 Caruthers CA FRSMCA150MD  728   2005-12-09   
559-235 0 Dunlap CA FRSMCA150MD  728      
559-235 2 Dunlap CA FRSMCA150MD  728      
559-235 4 Dunlap CA FRSMCA150MD  728      
559-236 0 Grant Grove CA FRSMCA150MD  728      
559-236 1 Grant Grove CA FRSMCA150MD  728      
559-236 2 Grant Grove CA FRSMCA150MD  728   2006-01-13   
559-239 0 Lindsay CA FRSMCA150MD  728      
559-239 2 Lindsay CA FRSMCA150MD  728      
559-239 4 Lindsay CA FRSMCA150MD  728      
559-242 A Mendota CA FRSMCA150MD  728      
559-242 2 Mendota CA FRSMCA150MD  728   2004-07-16   
559-242 5 Mendota CA FRSMCA150MD  728   2009-08-10   
559-249 6 Orange Cove CA FRSMCA150MD  728   2008-04-28   
559-254 2 Parlier CA FRSMCA150MD  728   2007-12-18   
559-257 A Selma CA FRSMCA150MD  728      
559-257 0 Selma CA FRSMCA150MD  728      
559-257 3 Selma CA FRSMCA150MD  728   2006-08-28   
559-257 4 Selma CA FRSMCA150MD  728   2004-02-29   
559-257 5 Selma CA FRSMCA150MD  728   2006-08-28   
559-286 0 Fresno CA FRSMCA150MD  728   2008-02-12   
559-296 3 Firebaugh CA FRSMCA150MD  728   2012-12-02   
559-302 9 Visalia CA FRSMCA150MD  728   2005-11-13   
559-316 0 Fowler CA FRSMCA150MD  728   2006-01-06   

<< 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 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.