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: 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-379 3 Pleasanton CA   722   2015-01-01   
925-379 4 Pleasanton CA   722   2015-01-01   
925-379 5 Pleasanton CA   722   2015-01-01   
925-379 6 Pleasanton CA   722   2015-01-01   
925-379 7 Pleasanton CA   722   2015-01-01   
925-379 8 Pleasanton CA   722   2015-01-01   
925-379 9 Pleasanton CA   722   2015-01-01   
925-475 1 Pleasanton CA OKLDCAEBDS0  722      
925-475 2 Pleasanton CA OKLDCAEBDS0  722      
925-543 4 Bishop Ranch CA OKLDCAEBDS0  722   2014-05-16   
925-660 A Pleasanton CA OKLDCAEBDS0  722      
925-660 1 Pleasanton CA OKLDCAEBDS0  722      
925-660 3 Pleasanton CA OKLDCAEBDS0  722      
925-660 4 Pleasanton CA OKLDCAEBDS0  722   2013-04-08   
925-701 4 Pleasanton CA OKLDCAEBDS0  722   2014-04-03   
925-701 5 Pleasanton CA OKLDCAEBDS0  722   2014-04-03   
925-701 6 Pleasanton CA OKLDCAEBDS0  722   2014-04-03   
925-758 7 Livermore CA OKLDCAEBDS0  722   2020-04-04   
925-843 A Bishop Ranch CA OKLDCAEBDS0  722      
925-843 0 Bishop Ranch CA   722   2010-06-27   
925-843 1 Bishop Ranch CA   722   2010-06-27   
925-843 2 Bishop Ranch CA   722   2010-06-27   
925-843 3 Bishop Ranch CA   722   2010-06-27   
925-843 4 Bishop Ranch CA   722   2010-06-27   
925-843 5 Bishop Ranch CA   722   2010-06-27   
925-843 6 Bishop Ranch CA   722   2010-06-27   
925-843 7 Bishop Ranch CA   722   2010-06-27   
925-843 8 Bishop Ranch CA   722   2010-06-27   
925-843 9 Bishop Ranch CA   722   2010-06-27   
925-953 A Walnut Creek CA OKLDCAEBDS0  722      
925-953 1 Walnut Creek CA OKLDCAEBDS0  722      
925-953 5 Walnut Creek CA OKLDCAEBDS0  722      
925-953 6 Walnut Creek CA OKLDCAEBDS0  722      
925-953 7 Walnut Creek CA OKLDCAEBDS0  722      
925-953 9 Walnut Creek CA OKLDCAEBDS0  722      
925-968 7 Bishop Ranch CA OKLDCAEBDS0  722   2013-05-07   
949-202 3 Irvine CA ONTRCAFXDS0  730   2009-06-26   
949-242 8 Irvine CA ONTRCAFXDS0  730   2007-05-09   
949-297 A Saddleback Valley CA ONTRCAFXDS0  730      
949-297 0 Saddleback Valley CA ONTRCAFXDS0  730      
949-297 1 Saddleback Valley CA ONTRCAFXDS0  730      
949-297 5 Saddleback Valley CA ONTRCAFXDS0  730      
949-297 9 Saddleback Valley CA ONTRCAFXDS0  730      
949-299 3 Irvine CA ONTRCAFXDS0  730   2016-01-24   
949-308 6 Irvine CA ONTRCAFXDS0  730   2017-08-21   
949-372 A Irvine CA ONTRCAFXDS0  730      
949-372 3 Irvine CA ONTRCAFXDS0  730   2015-03-05   
949-381 4 Irvine CA ONTRCAFXDS0  730   2012-10-27   
949-381 6 Irvine CA ONTRCAFXDS0  730   2012-10-27   
949-383 2 Irvine CA ONTRCAFXDS0  730   2013-01-22   
949-383 3 Irvine CA ONTRCAFXDS0  730   2013-01-22   
949-430 3 Irvine CA ONTRCAFXDS0  730   2013-10-29   
949-434 5 Saddleback Valley CA ONTRCAFXDS0  730   2015-03-10   
949-468 A Irvine CA ONTRCAFXDS0  730      
949-468 1 Irvine CA ONTRCAFXDS0  730      
949-468 4 Irvine CA ONTRCAFXDS0  730      
949-484 A Laguna Beach CA ONTRCAFXDS0  730      
949-484 1 Laguna Beach CA ONTRCAFXDS0  730      
949-526 7 Irvine CA ONTRCAFXDS0  730   2013-05-10   
949-526 8 Irvine CA ONTRCAFXDS0  730   2013-05-10   
949-527 3 Irvine CA ONTRCAFXDS0  730   2011-09-23   
949-527 4 Irvine CA ONTRCAFXDS0  730   2012-07-05   
949-531 4 Newport Beach CA ONTRCAFXDS0  730   2014-08-08   
949-542 A Capistrano Valley CA ONTRCAFXDS0  730      
949-542 1 Capistrano Valley CA ONTRCAFXDS0  730      
949-575 5 Saddleback Valley CA ONTRCAFXDS0  730   2017-04-23   
949-638 A Saddleback Valley CA ONTRCAFXDS0  730      
949-638 8 Saddleback Valley CA ONTRCAFXDS0  730   2008-12-05   
949-652 4 Saddleback Valley CA ONTRCAFXDS0  730   2016-08-21   
949-680 A Saddleback Valley CA ONTRCAFXDS0  730      
949-680 1 Saddleback Valley CA ONTRCAFXDS0  730      
949-698 A Newport Beach CA ONTRCAFXDS0  730      
949-698 1 Newport Beach CA ONTRCAFXDS0  730      
949-705 A Irvine CA ONTRCAFXDS0  730      
949-705 0 Irvine CA ONTRCAFXDS0  730      
949-705 1 Irvine CA ONTRCAFXDS0  730      
949-705 2 Irvine CA ONTRCAFXDS0  730      
949-705 5 Irvine CA ONTRCAFXDS0  730      
949-708 A Irvine CA ONTRCAFXDS0  730      
949-708 1 Irvine CA ONTRCAFXDS0  730   2022-02-08   
949-732 2 Irvine CA ONTRCAFXDS0  730   2008-04-05   
949-750 A Trabuco CA ONTRCAFXDS0  730      
949-750 1 Trabuco CA ONTRCAFXDS0  730      
949-864 8 Irvine CA ONTRCAFXDS0  730   2012-08-13   
949-892 4 Irvine CA ONTRCAFXDS0  730   2006-03-21   
949-946 1 Saddleback Valley CA ONTRCAFXDS0  730   2020-08-24   
951-253 A Elsinore CA ONTRCAFXDS0  730      
951-253 2 Elsinore CA ONTRCAFXDS0  730      
951-290 4 Murrieta CA ONTRCAFXDS0  730   2010-09-27   
951-290 6 Murrieta CA ONTRCAFXDS0  730   2010-12-07   
951-297 4 Temecula CA ONTRCAFXDS0  730   2011-03-11   
951-297 5 Temecula CA ONTRCAFXDS0  730   2011-03-11   
951-297 6 Temecula CA ONTRCAFXDS0  730   2011-03-11   
951-368 A Riverside CA ONTRCAFXDS0  730      
951-368 1 Riverside CA ONTRCAFXDS0  730      
951-368 2 Riverside CA ONTRCAFXDS0  730      
951-368 5 Riverside CA ONTRCAFXDS0  730      
951-368 6 Riverside CA ONTRCAFXDS0  730      
951-368 9 Riverside CA ONTRCAFXDS0  730      
951-375 A Temecula CA ONTRCAFXDS0  730      

<< 1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.