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.

Ontario, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
909-773 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-05-31   
909-773 3 ONTRCAXG94L  2319 FRONTIER CALIFORNIA INC. 730      
909-773 4 ONTRCAXG94L  2319 FRONTIER CALIFORNIA INC. 730      
909-773 5 ONTRCAXG94L  2319 FRONTIER CALIFORNIA INC. 730      
909-773 6 ONTRCAXG94L  2319 FRONTIER CALIFORNIA INC. 730      
909-773 7 ONTRCAXG94L  2319 FRONTIER CALIFORNIA INC. 730      
909-773 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2004-12-19   
909-773 9 ONTRCAXG94L  2319 FRONTIER CALIFORNIA INC. 730      
909-778 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-778 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 2 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-778 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-09   
909-781 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-781 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-08-07   
909-781 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-08-07   
909-781 2 SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2006-09-15   
909-781 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-07-23   
909-781 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-04   
909-781 5 ONTRCAXPXBY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2009-01-19   
909-781 6 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2009-04-02   
909-781 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-08-23   
909-781 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-08-07   
909-781 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-08-07   
909-786 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
909-786 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-08-22   
909-786 1 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-08-21   
909-786 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-08-21   
909-786 3 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-05-28   
909-786 4 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2006-06-08   
909-786 5 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2006-09-22   
909-786 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-09-04   
909-786 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-09-04   
909-786 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-09-04   
909-786 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-09-04   
909-789 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-789 0 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2018-01-29   
909-789 1 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2018-04-01   
909-789 2 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2018-07-13   
909-789 3 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2018-07-13   
909-789 4 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2018-10-07   
909-789 5 LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
909-789 6 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2018-10-07   
909-789 7 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2018-05-05   

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

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.