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: ONTRCAFXDS0

Remotes:

Switch Switch name Switch type
IRVECAJTRS0  IRVINE  RS 

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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-651 5 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 6 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 7 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 8 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 9 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-687 3 Ontario CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2015-07-11   
909-705 A Mentone CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-705 1 Mentone CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-726 A Marshall CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-726 6 Marshall CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-733 A San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-733 4 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-06-23   
909-733 5 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-05-10   
909-742 A Highland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-742 1 Highland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-744 A Arrowhead CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-744 1 Arrowhead CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-755 7 Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2018-01-01   
909-770 A Fontana CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-770 1 Fontana CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-771 A San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-771 2 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-835 A Colton CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-835 1 Colton CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-867 8 Running Springs CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2000-12-30   
909-894 7 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-11-03   
909-912 A Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-912 1 Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-912 3 Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-912 7 Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-918 A Calimesa CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-918 1 Calimesa CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-993 A Chino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-993 1 Chino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-993 9 Chino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
949-202 3 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2009-06-26   
949-242 8 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-05-09   
949-297 A Saddleback Valley CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
949-297 0 Saddleback Valley CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
949-297 1 Saddleback Valley CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
949-297 5 Saddleback Valley CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
949-297 9 Saddleback Valley CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
949-299 3 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2016-01-24   
949-308 6 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2017-08-21   
949-372 A Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
949-372 3 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2015-03-05   
949-381 4 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2012-10-27   
949-381 6 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2012-10-27   
949-383 2 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2013-01-22   
949-383 3 Irvine CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2013-01-22   

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

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.