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
760-412 5 Brawley CA   732   2005-05-21   
760-417 4 Lake Isabella CA   730   2005-03-21   
760-422 3 Palm Springs CA   973   2011-05-12   
760-422 5 Palm Springs CA   973   2011-06-25   
760-424 2 Palm Springs CA   973   2012-04-19   
760-424 5 Palm Springs CA   973   2015-08-01   
760-429 7 Oceanside: Oceanside DA CA   732   2006-07-15   
760-437 5 Desert Center CA   973   2005-07-30   
760-437 8 Desert Center CA   973   2018-06-08   
760-441 8 Barstow: Yermo DA CA   730   2014-06-27   
760-444 0 Oceanside: Carlsbad DA CA   732   2005-01-11   
760-444 4 Oceanside: Carlsbad DA CA   732   2003-03-22   
760-452 8 Encinitas CA   732   2008-02-13   
760-457 2 Imperial CA   732      
760-459 A Palm Springs CA PLSPCAXGXTY  973      
760-459 1 Palm Springs CA   973   2010-04-16   
760-459 2 Palm Springs CA   973   2009-05-25   
760-459 4 Palm Springs CA   973   2010-07-04   
760-459 5 Palm Springs CA   973   2010-03-07   
760-459 7 Palm Springs CA   973   2010-10-01   
760-459 8 Palm Springs CA   973   2012-06-17   
760-460 A El Centro CA SNDACAGLDS2  732      
760-460 4 El Centro CA   732      
760-469 4 Palm Desert CA   973   2005-07-30   
760-469 9 Palm Desert CA   973   2010-03-07   
760-477 0 Vista CA   732   2013-07-10   
760-479 6 Encinitas CA   732   2012-05-11   
760-483 9 Imperial CA   732   2009-03-10   
760-488 A Victorville: Hesperia DA CA LSANCA54DS7  730      
760-488 2 Victorville: Hesperia DA CA   730      
760-488 6 Victorville: Hesperia DA CA   730   2005-03-11   
760-490 A Victorville: Victorville DA CA LSANCA54DS7  730      
760-490 0 Victorville: Victorville DA CA   730      
760-501 0 Indio CA   973   2009-01-10   
760-501 7 Indio CA   973   2011-04-29   
760-501 8 Indio CA   973   2011-07-07   
760-507 1 Palm Springs CA   973   2015-05-23   
760-507 4 Palm Springs CA   973   2015-05-23   
760-512 A Oceanside: Pendleton DA CA SNDACAGLDS2  732      
760-512 0 Oceanside: Pendleton DA CA   732      
760-512 1 Oceanside: Pendleton DA CA   732   2005-01-11   
760-512 4 Oceanside: Pendleton DA CA   732   2003-03-22   
760-513 A Victorville: Victorville DA CA LSANCA54DS7  730      
760-513 0 Victorville: Victorville DA CA   730      
760-513 1 Victorville: Victorville DA CA   730      
760-513 2 Victorville: Victorville DA CA   730      
760-513 6 Victorville: Victorville DA CA   730   2010-12-24   
760-517 1 Oceanside: Carlsbad DA CA   732   2012-11-18   
760-517 8 Oceanside: Carlsbad DA CA   732   2012-02-25   
760-520 8 Escondido CA   732   2003-02-15   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.