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.

Reseda, CA

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
747-254 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-254 0   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-06-13   
747-254 1   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-06-13   
747-254 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-06-13   
747-254 3   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-06-13   
747-254 4   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-08-11   
747-254 5   6529 T-MOBILE USA, INC. 730   2015-08-14   
747-254 6   6529 T-MOBILE USA, INC. 730   2015-08-14   
747-254 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-08-17   
747-254 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-07-13   
747-254 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-15   
747-265 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
747-265 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-11-19   
747-265 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-11-19   
747-265 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-12-21   
747-265 3   649C ONVOY, LLC - CA 730   2016-01-06   
747-265 4   649C ONVOY, LLC - CA 730   2016-01-06   
747-265 5   321J HD CARRIER LLC 730   2016-08-27   
747-265 6   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-02-27   
747-265 7   6529 T-MOBILE USA, INC. 730   2016-07-11   
747-265 8   321J HD CARRIER LLC 730   2016-08-27   
747-265 9   6529 T-MOBILE USA, INC. 730   2015-11-14   
747-267 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
747-267 0   516C AT&T CORP. 730   2016-10-24   
747-267 1   649C ONVOY, LLC - CA 730   2016-10-31   
747-267 2   649C ONVOY, LLC - CA 730   2016-10-31   
747-267 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-11-10   
747-267 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-12-02   
747-267 5   649C ONVOY, LLC - CA 730   2017-06-10   
747-267 6   073H TELNYX LLC 730   2017-06-02   
747-267 7   649C ONVOY, LLC - CA 730   2017-12-07   
747-267 8   6529 T-MOBILE USA, INC. 730   2016-12-09   
747-267 9   6529 T-MOBILE USA, INC. 730   2016-10-23   
747-287 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
747-287 0   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2019-12-15   
747-287 1   197D VONAGE AMERICA LLC 730   2020-06-22   
747-287 2   649C ONVOY, LLC - CA 730   2020-06-07   
747-287 3   649C ONVOY, LLC - CA 730   2020-06-07   
747-287 4   6529 T-MOBILE USA, INC. 730   2019-08-30   
747-287 5   6529 T-MOBILE USA, INC. 730   2019-08-30   
747-287 6   6529 T-MOBILE USA, INC. 730   2019-07-12   
747-287 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-07-05   
747-287 8   6529 T-MOBILE USA, INC. 730   2019-06-01   
747-287 9   6529 T-MOBILE USA, INC. 730   2019-03-31   
747-335 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-335 0   649C ONVOY, LLC - CA 730   2023-11-21   
747-335 1   649C ONVOY, LLC - CA 730   2023-11-21   
747-335 2   649C ONVOY, LLC - CA 730   2023-11-20   
747-335 3   649C ONVOY, LLC - CA 730   2023-11-20   
747-335 4   649C ONVOY, LLC - CA 730   2023-11-20   
747-335 5   649C ONVOY, LLC - CA 730   2023-11-21   
747-335 6   649C ONVOY, LLC - CA 730   2023-11-21   
747-335 7   649C ONVOY, LLC - CA 730   2023-11-21   
747-335 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-08-18   
747-335 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-08-18   
747-336 A LSANCAJWIMD  965H FRACTEL, LLC 730      
747-336 0   899D METROPCS NETWORKS, LLC 730   2020-10-14   
747-336 1   899D METROPCS NETWORKS, LLC 730   2020-10-14   
747-336 2   6529 T-MOBILE USA, INC. 730   2020-12-18   
747-336 3   649C ONVOY, LLC - CA 730   2020-08-24   
747-336 4   649C ONVOY, LLC - CA 730   2020-08-24   
747-336 5   197D VONAGE AMERICA LLC 730   2020-06-22   
747-336 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-04-30   
747-336 8   965H FRACTEL, LLC 730   2020-03-12   
747-336 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-25   
747-343 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-343 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-19   
747-343 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-02-18   
747-343 2   649C ONVOY, LLC - CA 730   2023-11-01   
747-343 3   649C ONVOY, LLC - CA 730   2023-11-01   
747-343 4   649C ONVOY, LLC - CA 730   2023-11-01   
747-343 5   649C ONVOY, LLC - CA 730   2023-11-01   
747-343 6   649C ONVOY, LLC - CA 730   2023-11-01   
747-343 7   649C ONVOY, LLC - CA 730   2023-11-01   
747-343 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-12-19   
747-343 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-12-17   
747-354 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-05-04   
747-354 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-10-18   
747-354 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-11-27   
747-354 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-12-20   
747-354 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-01-17   
747-354 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-01-17   
747-354 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-04-18   
747-354 6   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
747-354 7   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
747-354 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-08-31   
747-354 9   6529 T-MOBILE USA, INC. 730   2024-05-04   
747-380 A   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2025-07-01   
747-380 6   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2025-07-01   
747-577 A LSANCAJWIMD  965H FRACTEL, LLC 730      
747-577 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-12-29   
747-577 1   624H ONVOY SPECTRUM, LLC 730   2021-11-22   
747-577 2   624H ONVOY SPECTRUM, LLC 730   2021-11-22   
747-577 3   624H ONVOY SPECTRUM, LLC 730   2021-11-22   
747-577 4   624H ONVOY SPECTRUM, LLC 730   2021-11-22   
747-577 5   624H ONVOY SPECTRUM, LLC 730   2021-11-22   
747-577 6   649C ONVOY, LLC - CA 730   2021-11-22   
747-577 7   965H FRACTEL, LLC 730   2021-11-21   
747-577 8   649C ONVOY, LLC - CA 730   2021-11-22   
747-577 9   649C ONVOY, LLC - CA 730   2021-11-22   

1 2 3 4 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.