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.

National City, CA

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
619-603 9 ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2019-08-24   
619-649 A SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
619-649 0 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-02-22   
619-649 1 ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-10-20   
619-649 2 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
619-649 3 ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-10-20   
619-649 4 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-02-22   
619-649 5 ESCNCAKY2MD  5562 METROPCS, INC. 732   2003-10-20   
619-649 6 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-02-22   
619-649 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-02-22   
619-649 8 SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2014-07-20   
619-649 9 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2024-02-22   
619-731 A SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732      
619-731 0 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2015-09-21   
619-731 1 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2016-03-03   
619-731 2 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2015-07-21   
619-731 3 NTCYCA11DS0  9740 PACIFIC BELL 732   2016-01-07   
619-731 4 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2015-11-26   
619-731 5 SNDGCA0261Z  321J HD CARRIER LLC 732   2016-08-26   
619-731 6 SNDGCA0261Z  321J HD CARRIER LLC 732   2016-08-26   
619-731 7 ESCNCAKY2MD  5562 METROPCS, INC. 732   2016-07-31   
619-731 9 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2015-07-20   
619-732 A SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
619-732 0 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-05-23   
619-732 1 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-05-23   
619-732 2 ESCNCAKY2MD  5562 METROPCS, INC. 732   2011-08-01   
619-732 3 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2012-11-12   
619-732 4 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2013-03-23   
619-732 5 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2011-01-21   
619-732 6 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-09-07   
619-732 7 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2012-08-31   
619-732 8 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2013-09-07   
619-732 9 ESCNCAKY2MD  5562 METROPCS, INC. 732   2014-03-17   
619-765 A SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
619-765 0   649C ONVOY, LLC - CA 732   2025-06-06   
619-765 1 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2014-04-14   
619-765 2 SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2017-10-22   
619-765 3 SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2010-09-29   
619-765 4 SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-10-28   
619-765 5 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2014-04-14   
619-765 6 SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2024-04-16   
619-765 7 ESCNCAKY2MD  5562 METROPCS, INC. 732   2004-01-07   
619-765 8 ESCNCAKY2MD  5562 METROPCS, INC. 732   2013-11-23   
619-765 9 ESCNCAKY2MD  5562 METROPCS, INC. 732   2013-12-16   
619-773 A SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
619-773 0 SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2014-09-18   
619-773 1 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
619-773 2 SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
619-773 3 ESCNCAKY2MD  5562 METROPCS, INC. 732   2014-07-27   
619-773 4 ESCNCAKY2MD  5562 METROPCS, INC. 732   2004-04-24   

<< 1 2 3 4 5 6 7 8 9 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.