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.

Elsinore, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
951-226 A BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
951-226 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-07-06   
951-226 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-06-14   
951-226 2   899D METROPCS NETWORKS, LLC 730   2017-09-20   
951-226 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-05-25   
951-226 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-12-03   
951-226 5   981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-23   
951-226 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-09-06   
951-226 7   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-10-12   
951-226 8   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-10-12   
951-226 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-05-25   
951-228 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-228 0   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-01-17   
951-228 1   649C ONVOY, LLC - CA 730   2013-01-18   
951-228 2   649C ONVOY, LLC - CA 730   2013-01-18   
951-228 3   649C ONVOY, LLC - CA 730   2013-01-18   
951-228 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-06-08   
951-228 5   649C ONVOY, LLC - CA 730   2013-03-08   
951-228 6   899D METROPCS NETWORKS, LLC 730   2013-08-12   
951-228 7   649C ONVOY, LLC - CA 730   2013-03-29   
951-228 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-01-18   
951-228 9   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-11   
951-245 A ELSNCAXF67N  2319 FRONTIER CALIFORNIA INC. 730      
951-253 A ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
951-253 0   515J IP HORIZON LLC 730   2004-11-13   
951-253 1   515J IP HORIZON LLC 730   2004-11-13   
951-253 2   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
951-253 3   981E BANDWIDTH.COM CLEC, LLC - CA 730   2002-05-29   
951-253 4   829J PAETEC ITEL, LLC 730   2002-11-17   
951-253 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-22   
951-253 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-05-02   
951-253 7   7480 PACIFIC BELL (COMPETITIVE) 730   2003-07-07   
951-253 8   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2012-09-17   
951-253 9   829J PAETEC ITEL, LLC 730   2006-12-11   
951-285 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-291 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-291 0   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-03   
951-291 1   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-03   
951-291 2   649C ONVOY, LLC - CA 730   2010-09-01   
951-291 3   899D METROPCS NETWORKS, LLC 730   2011-03-13   
951-291 4   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2012-02-13   
951-291 5   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-05-02   
951-291 6   857F MCC TELEPHONY OF THE WEST, LLC - CA 730   2011-03-18   
951-291 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-04-01   
951-291 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-04-17   
951-291 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-08-29   
951-399 A ONTRCAXPXBY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
951-399 0   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
951-399 1   899D METROPCS NETWORKS, LLC 730   2014-04-28   
951-399 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-20   
951-399 3   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-20   
951-399 4   899D METROPCS NETWORKS, LLC 730   2014-12-13   
951-399 5   899D METROPCS NETWORKS, LLC 730   2015-01-30   
951-399 6   515J IP HORIZON LLC 730   2015-09-20   
951-399 7   508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-07-17   
951-399 8   899D METROPCS NETWORKS, LLC 730   2014-09-11   
951-399 9   899D METROPCS NETWORKS, LLC 730   2014-01-02   
951-409 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-409 0   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-01   
951-409 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-09-02   
951-409 2   899D METROPCS NETWORKS, LLC 730   2016-10-08   
951-409 3   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-10-27   
951-409 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-02-17   
951-409 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-05-19   
951-409 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-05-19   
951-409 7   649C ONVOY, LLC - CA 730   2017-06-11   
951-409 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-10-13   
951-409 9   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-09-02   
951-457 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-457 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-04-02   
951-457 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-12-17   
951-457 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-07-16   
951-457 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-07-16   
951-457 4   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-10-22   
951-457 5   649C ONVOY, LLC - CA 730   2016-03-17   
951-457 6   649C ONVOY, LLC - CA 730   2016-03-17   
951-457 7   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-02   
951-457 8   829J PAETEC ITEL, LLC 730   2016-05-11   
951-457 9   899D METROPCS NETWORKS, LLC 730   2015-07-24   
951-459 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-459 0   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-10-25   
951-459 1   899D METROPCS NETWORKS, LLC 730   2018-10-30   
951-459 2   899D METROPCS NETWORKS, LLC 730   2019-02-04   
951-459 3   649C ONVOY, LLC - CA 730   2018-09-18   
951-459 4   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
951-459 5   899D METROPCS NETWORKS, LLC 730   2018-04-02   
951-459 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-02-01   
951-459 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-02-01   
951-459 8   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2017-12-25   
951-459 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-12-23   
951-471 A ELSNCAXF67N  2319 FRONTIER CALIFORNIA INC. 730      
951-471 0   2319 FRONTIER CALIFORNIA INC. 730      
951-471 1   2319 FRONTIER CALIFORNIA INC. 730      
951-471 2   2319 FRONTIER CALIFORNIA INC. 730      
951-471 3   2319 FRONTIER CALIFORNIA INC. 730      
951-471 4   2319 FRONTIER CALIFORNIA INC. 730      
951-471 5   2319 FRONTIER CALIFORNIA INC. 730      
951-471 6   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2003-01-12   
951-471 7   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2005-07-08   
951-471 8   2319 FRONTIER CALIFORNIA INC. 730      

1 2 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.