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.

Trabuco, CA

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
949-615 5 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-20   
949-615 6 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-20   
949-615 7 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-20   
949-615 8 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-20   
949-615 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-10-19   
949-628 A LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-08-02   
949-628 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-08-02   
949-628 1   649C ONVOY, LLC - CA 730   2025-03-08   
949-628 2   649C ONVOY, LLC - CA 730   2025-04-06   
949-628 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-09-26   
949-628 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-09-26   
949-628 5   649C ONVOY, LLC - CA 730   2025-09-27   
949-628 6   649C ONVOY, LLC - CA 730   2025-10-27   
949-628 7   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2025-05-08   
949-628 8 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-22   
949-628 9 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-09-16   
949-635 A RSMGCA11DS0  9740 PACIFIC BELL 730      
949-635 0 RSMGCA11DS0  9740 PACIFIC BELL 730      
949-635 1 RSMGCA11DS0  9740 PACIFIC BELL 730      
949-635 2 RSMGCA11DS0  9740 PACIFIC BELL 730      
949-635 3 RSMGCA11DS0  9740 PACIFIC BELL 730      
949-635 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-10-27   
949-635 5 RSMGCA11DS0  9740 PACIFIC BELL 730      
949-635 6 RSMGCA11DS0  9740 PACIFIC BELL 730      
949-635 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-10-27   
949-635 8 ANHMCA01XEY  516C AT&T CORP. 730   2014-08-26   
949-635 9 RSMGCA11DS0  9740 PACIFIC BELL 730      
949-666 A LSANCARC5KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 730      
949-666 0 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-666 1 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-666 2 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-666 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-30   
949-666 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-09-09   
949-666 5 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-666 6 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-666 7 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-666 8 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-666 9 LSANCARCD3S  649C ONVOY, LLC - CA 730      
949-693 A ANHMCA01XUY  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 730      
949-693 0 LSANCARC32Z  073H TELNYX LLC 730   2022-12-01   
949-693 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-05-11   
949-693 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-10-15   
949-693 3 LSANCARC32Z  073H TELNYX LLC 730   2023-06-25   
949-693 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-12-16   
949-693 5 ANHMCA01XUY  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 730   2022-08-29   
949-693 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-07-05   
949-693 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-04-03   
949-693 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-04-03   
949-693 9 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2023-05-14   
949-694 A LSANCARCD3S  649C ONVOY, LLC - CA 730      

<< 1 2 3 4 5 6 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.