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.

Chino, CA

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
909-479 5   649C ONVOY, LLC - CA 730   2017-06-15   
909-479 6   073H TELNYX LLC 730   2017-06-02   
909-479 7   6529 T-MOBILE USA, INC. 730   2017-03-17   
909-479 8   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2017-12-14   
909-479 9   6529 T-MOBILE USA, INC. 730   2017-02-05   
909-497 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-497 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-01-20   
909-497 1   649C ONVOY, LLC - CA 730   2016-01-31   
909-497 2   649C ONVOY, LLC - CA 730   2016-01-31   
909-497 3   649C ONVOY, LLC - CA 730   2016-03-10   
909-497 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-01-31   
909-497 5   649C ONVOY, LLC - CA 730   2016-03-10   
909-497 6   649C ONVOY, LLC - CA 730   2016-02-24   
909-497 7   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2017-01-27   
909-497 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-01-30   
909-497 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-01-30   
909-516 A RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-516 0   6529 T-MOBILE USA, INC. 730   2020-10-09   
909-516 1   6529 T-MOBILE USA, INC. 730   2020-10-09   
909-516 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-08-05   
909-516 3   6529 T-MOBILE USA, INC. 730   2019-04-04   
909-516 4   6529 T-MOBILE USA, INC. 730   2019-04-04   
909-516 5   6529 T-MOBILE USA, INC. 730   2019-02-24   
909-516 6   624H ONVOY SPECTRUM, LLC 730   2020-11-05   
909-516 7   6529 T-MOBILE USA, INC. 730   2019-01-12   
909-516 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-13   
909-516 9   6529 T-MOBILE USA, INC. 730   2018-11-12   
909-517 A CHNOCAXF62J  2319 FRONTIER CALIFORNIA INC. 730      
909-529 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-529 0   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-04-22   
909-529 1   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-04-22   
909-529 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-04-22   
909-529 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-07-11   
909-529 4   6529 T-MOBILE USA, INC. 730   2010-08-28   
909-529 5   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-05-06   
909-529 6   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-10   
909-529 7   649C ONVOY, LLC - CA 730   2011-01-31   
909-529 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-28   
909-529 9   649C ONVOY, LLC - CA 730   2010-11-28   
909-536 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-536 0   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-10-02   
909-536 1   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-10-02   
909-536 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-10-02   
909-536 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-10-03   
909-536 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-10-03   
909-536 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-10-06   
909-536 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-10-27   
909-536 7   6529 T-MOBILE USA, INC. 730   2015-06-16   
909-536 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-10-09   
909-536 9   6529 T-MOBILE USA, INC. 730   2014-10-17   
909-539 A   515J IP HORIZON LLC 730      
909-539 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2009-12-14   
909-539 1   515J IP HORIZON LLC 730      
909-539 2   515J IP HORIZON LLC 730      
909-539 3   6529 T-MOBILE USA, INC. 730   2005-01-17   
909-539 4   515J IP HORIZON LLC 730      
909-539 5   6529 T-MOBILE USA, INC. 730   2005-05-23   
909-539 6   829J PAETEC ITEL, LLC 730   2004-12-22   
909-539 7   6529 T-MOBILE USA, INC. 730   2004-01-18   
909-539 8   6529 T-MOBILE USA, INC. 730   2005-05-23   
909-539 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-09-22   
909-548 A CHNOCAXF62J  2319 FRONTIER CALIFORNIA INC. 730      
909-548 0   2319 FRONTIER CALIFORNIA INC. 730      
909-548 1   6529 T-MOBILE USA, INC. 730   2007-04-05   
909-548 2   2319 FRONTIER CALIFORNIA INC. 730      
909-548 3   2319 FRONTIER CALIFORNIA INC. 730      
909-548 4   2319 FRONTIER CALIFORNIA INC. 730      
909-548 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-11-19   
909-548 6   2319 FRONTIER CALIFORNIA INC. 730      
909-548 7   2319 FRONTIER CALIFORNIA INC. 730      
909-548 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2001-10-08   
909-548 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-03-09   
909-573 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-573 0   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-573 1   6529 T-MOBILE USA, INC. 730   2005-03-06   
909-573 2   6529 T-MOBILE USA, INC. 730   2005-09-16   
909-573 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-05-11   
909-573 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-05-11   
909-573 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
909-573 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
909-573 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-07-03   
909-573 8   899D METROPCS NETWORKS, LLC 730   2006-05-26   
909-573 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-11-07   
909-590 A CHNOCAXF62J  2319 FRONTIER CALIFORNIA INC. 730      
909-591 A CHNOCAXF62J  2319 FRONTIER CALIFORNIA INC. 730      
909-597 A LSSRCAXF59J  2319 FRONTIER CALIFORNIA INC. 730      
909-606 A LSSRCAXF59J  2319 FRONTIER CALIFORNIA INC. 730      
909-613 A CHNOCAXF62J  2319 FRONTIER CALIFORNIA INC. 730      
909-614 A WLNTCAXFDS0  2319 FRONTIER CALIFORNIA INC. 730      
909-614 0   2319 FRONTIER CALIFORNIA INC. 730      
909-614 1   2319 FRONTIER CALIFORNIA INC. 730      
909-614 2   829J PAETEC ITEL, LLC 730   2006-02-24   
909-614 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-08-08   
909-614 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-03-11   
909-614 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-07-03   
909-614 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-01-28   
909-614 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-01-28   
909-614 8   649C ONVOY, LLC - CA 730   2005-01-28   
909-614 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-03-09   
909-627 A CHNOCAXF62J  2319 FRONTIER CALIFORNIA INC. 730      

<< 1 2 3 4 5 6 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.