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.

Cypress, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
657-256 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-01-05   
657-256 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-01-05   
657-256 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-07   
657-256 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-02-14   
657-256 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-02-14   
657-298 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-298 0 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-04-20   
657-298 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-25   
657-298 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-25   
657-298 3 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-02-27   
657-298 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-298 5 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-08-21   
657-298 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2016-12-04   
657-298 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-06   
657-298 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-298 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-22   
657-337 A ANHMCA01XEY  516C AT&T CORP. 730      
657-337 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-21   
657-337 1 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-07-19   
657-337 2 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-05-07   
657-337 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-06-11   
657-337 4 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-05-29   
657-337 5 ANHMCA01XEY  516C AT&T CORP. 730   2016-07-17   
657-337 6 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-03-06   
657-337 7 LSANCAJW6MD  073H TELNYX LLC 730   2018-07-09   
657-337 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2016-10-14   
657-337 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2016-10-14   
657-413 A BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
657-413 0   6529 T-MOBILE USA, INC. 730   2024-05-23   
657-413 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-04-08   
657-413 2 LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-06-19   
657-413 3 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2020-01-16   
657-413 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-06-07   
657-413 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-06-07   
657-413 6 LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-06-19   
657-413 7 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-03-26   
657-413 8 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-03-26   
657-413 9 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-03-26   
657-465 A ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-465 0 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-12   
657-465 1 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-12   
657-465 2 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-12   
657-465 3 ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2015-04-23   
657-465 4 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-12   
657-465 5 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-08-11   
657-465 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-08-28   
657-465 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-08-28   
657-465 8 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-11-17   
657-465 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-12-10   
657-508 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      

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

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.