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.

Switch: SNFCCASY5MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-612 0 Aptos CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 A Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 0 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 1 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 3 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 4 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 5 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-11   
831-621 6 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 8 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-621 9 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-684 7 Aptos CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-12-05   
831-706 2 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-18   
831-706 4 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-18   
831-709 A Ben Lomond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-709 1 Ben Lomond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
831-709 4 Ben Lomond CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-01-13   
831-740 1 Watsonville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-04   
831-740 8 Watsonville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
831-824 0 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-03-05   
831-824 5 Santa Cruz CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-07-21   
925-202 2 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-09-19   
925-203 1 Pittsburg CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-12-18   
925-203 9 Pittsburg CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-01-31   
925-208 4 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-10   
925-215 A Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 0 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 1 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 2 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 3 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 4 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 5 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 8 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-215 9 Livermore CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-217 A Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-217 1 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-217 2 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-217 3 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-217 5 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-217 9 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 A Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 0 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 1 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 2 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 3 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 4 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 6 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 8 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-218 9 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 A Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 0 Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 3 Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 8 Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-219 9 Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-230 A Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-230 0 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-04-30   
925-230 2 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-230 9 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-06-23   
925-231 A Martinez CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-231 0 Martinez CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-10-16   
925-231 1 Martinez CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-15   
925-231 3 Martinez CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
925-231 4 Martinez CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-231 8 Martinez CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-11   
925-231 9 Martinez CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-16   
925-232 A Pittsburg West CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-232 0 Pittsburg West CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-14   
925-232 4 Pittsburg West CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 A Sunol CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 0 Sunol CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-15   
925-233 2 Sunol CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-05-21   
925-233 4 Sunol CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 8 Sunol CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
925-234 A Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-234 4 Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-234 9 Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-12-29   
925-235 A Moraga CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-235 0 Moraga CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-07   
925-235 1 Moraga CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-04-07   
925-235 4 Moraga CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-235 7 Moraga CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-10-25   
925-236 A Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 1 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 2 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 6 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 9 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-237 9 Antioch CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-12-29   
925-239 2 Walnut Creek CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-06-21   
925-239 4 Walnut Creek CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-04-27   
925-241 4 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
925-241 5 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-02-21   
925-246 2 Concord CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-10-27   
925-246 5 Concord CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-16   
925-247 3 Moraga CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-19   
925-248 9 Dublin-San Ramon CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-04-27   
925-262 8 Walnut Creek CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2002-12-23   
925-263 0 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-263 5 Danville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-264 3 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-17   
925-264 6 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-264 8 Pleasanton CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.