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.

Del Mar, CA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
858-306 A SNDACAGL7MD  073H TELNYX LLC 732      
858-306 0   073H TELNYX LLC 732   2021-04-27   
858-306 1   6529 T-MOBILE USA, INC. 732   2021-04-28   
858-306 2   6529 T-MOBILE USA, INC. 732   2021-04-28   
858-306 3   6529 T-MOBILE USA, INC. 732   2021-04-28   
858-306 4   6529 T-MOBILE USA, INC. 732   2021-04-28   
858-306 5   6529 T-MOBILE USA, INC. 732   2021-04-28   
858-306 6   6529 T-MOBILE USA, INC. 732   2021-04-28   
858-306 7   6529 T-MOBILE USA, INC. 732   2021-03-13   
858-306 8   6529 T-MOBILE USA, INC. 732   2021-03-13   
858-306 9   6529 T-MOBILE USA, INC. 732   2021-03-13   
858-313 A ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
858-313 0   649C ONVOY, LLC - CA 732   2021-07-22   
858-313 1   649C ONVOY, LLC - CA 732   2021-07-22   
858-313 2   624H ONVOY SPECTRUM, LLC 732   2021-07-19   
858-313 4   939H COMMIO, LLC 732   2021-06-05   
858-313 5   939H COMMIO, LLC 732   2021-06-05   
858-313 6   939H COMMIO, LLC 732   2021-06-05   
858-313 7   939H COMMIO, LLC 732   2021-06-05   
858-313 8   939H COMMIO, LLC 732   2021-06-05   
858-313 9   6529 T-MOBILE USA, INC. 732   2021-05-02   
858-314 A SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-314 0   6529 T-MOBILE USA, INC. 732   2012-10-03   
858-314 1   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-314 2   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-314 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2012-08-27   
858-314 4   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2014-02-17   
858-314 5   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-314 6   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2012-12-14   
858-314 7   7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-314 8   981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-08-09   
858-314 9   981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-02-24   
858-342 A SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-345 A SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-345 0   6529 T-MOBILE USA, INC. 732   2005-08-04   
858-345 1   318J COMCAST IP PHONE, LLC 732      
858-345 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2004-12-22   
858-345 3   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2006-11-17   
858-345 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2003-02-17   
858-345 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-01-28   
858-345 6   981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-02-24   
858-345 7   6529 T-MOBILE USA, INC. 732   2005-10-23   
858-345 8   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2005-09-22   
858-345 9   981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-02-24   
858-347 A SNDGCA0250Z  6630 USA MOBILITY WIRELESS, INC. 732   2024-01-09   
858-350 A DLMRCA12DS0  9740 PACIFIC BELL 732      
858-353 A SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-353 0   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-353 1   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-353 2   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-353 3   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2005-09-25   
858-353 4   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-06-15   
858-353 5   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-353 6   6010 NEW CINGULAR WIRELESS PCS, LLC 732      
858-353 7   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-09-02   
858-353 8   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2006-09-02   
858-353 9   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2007-04-15   
858-356 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-356 0   145J TERRA NOVA TELECOM INC. 732   2024-09-14   
858-356 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-356 2   981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-12-16   
858-356 3   508J CENTURYLINK COMMUNICATIONS, LLC 732   2013-03-01   
858-356 4   981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-12-16   
858-356 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-11-26   
858-356 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-11-26   
858-356 7   6529 T-MOBILE USA, INC. 732   2006-06-19   
858-356 8   6529 T-MOBILE USA, INC. 732   2006-12-16   
858-356 9   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-01-10   
858-369 A SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-369 0   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2013-07-11   
858-369 1   649C ONVOY, LLC - CA 732   2021-07-22   
858-369 2   7421 AT&T - LOCAL 732      
858-369 3   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-369 4   7421 AT&T - LOCAL 732      
858-369 5   649C ONVOY, LLC - CA 732   2006-11-06   
858-369 6   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732   2014-05-05   
858-369 7   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2008-11-17   
858-369 8   9740 PACIFIC BELL 732   2002-11-11   
858-369 9   649C ONVOY, LLC - CA 732   2023-08-11   
858-393 A SNDGCA02XHX  939H COMMIO, LLC 732   2024-03-04   
858-393 0   939H COMMIO, LLC 732   2024-03-04   
858-393 1   939H COMMIO, LLC 732   2024-03-04   
858-393 2   939H COMMIO, LLC 732   2024-03-04   
858-393 3   939H COMMIO, LLC 732   2024-03-04   
858-393 8   981E BANDWIDTH.COM CLEC, LLC - CA 732   2024-10-26   
858-393 9   981E BANDWIDTH.COM CLEC, LLC - CA 732   2024-10-26   
858-436 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-436 0   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-436 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-436 2   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-436 3   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-436 4   6529 T-MOBILE USA, INC. 732   2006-04-02   
858-436 5   6529 T-MOBILE USA, INC. 732   2007-04-27   
858-436 6   6529 T-MOBILE USA, INC. 732   2007-07-19   
858-436 7   318J COMCAST IP PHONE, LLC 732   2007-08-02   
858-436 8   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-436 9   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-461 A SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732      
858-461 0   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-09-13   
858-461 1   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2007-09-13   

<< 1 2 3 4 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.