Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: ONTRCAFXDS0

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Switch Switch name Switch type
IRVECAJTRS0  IRVINE  RS 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
818-867 1 Canoga Park CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
818-867 2 Canoga Park CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
818-867 6 Canoga Park CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
818-867 7 Canoga Park CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-204 A Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-204 3 Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-04-02   
909-244 5 Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2007-06-21   
909-267 A Claremont-San Dimas CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-267 1 Claremont-San Dimas CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-267 2 Claremont-San Dimas CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-282 A Pomona CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-282 1 Pomona CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-297 A Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-297 2 Upland CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-328 5 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2014-09-25   
909-334 3 Chino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2012-07-29   
909-348 A Diamond Bar CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-348 1 Diamond Bar CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-366 A Big Bear Lake CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-366 1 Big Bear Lake CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-378 7 Diamond Bar CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2013-09-17   
909-379 A San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-379 0 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-379 1 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-379 6 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-379 7 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-419 A Rialto CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-419 8 Rialto CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-456 A Ontario CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-456 1 Ontario CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-456 2 Ontario CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-456 3 Ontario CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-456 7 Ontario CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-456 8 Ontario CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-462 1 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2015-06-27   
909-480 7 Claremont-San Dimas CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2005-08-19   
909-547 A Big Bear City CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-547 1 Big Bear City CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-583 A Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-583 2 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-583 6 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-601 3 San Bernardino CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2016-07-16   
909-646 A Etiwanda CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-646 1 Etiwanda CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-651 A Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
909-651 0 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 1 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 2 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 3 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   
909-651 4 Redlands CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2006-09-25   

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

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