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.

Marshall, TX

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
430-214 A LGVWTXPLXEX  903C ONVOY, LLC - TX 554      
430-214 0   073H TELNYX LLC 554   2023-07-29   
430-214 1   903C ONVOY, LLC - TX 554   2023-09-15   
430-214 2   903C ONVOY, LLC - TX 554   2024-11-07   
430-214 3   903C ONVOY, LLC - TX 554   2023-07-17   
430-214 4   903C ONVOY, LLC - TX 554   2023-07-17   
430-214 5   624H ONVOY SPECTRUM, LLC 554   2023-12-10   
430-214 6   624H ONVOY SPECTRUM, LLC 554   2023-12-10   
430-214 7   624H ONVOY SPECTRUM, LLC 554   2023-12-10   
430-214 8   624H ONVOY SPECTRUM, LLC 554   2023-12-10   
430-214 9   624H ONVOY SPECTRUM, LLC 554   2023-12-10   
430-258 A LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
430-258 0   515J IP HORIZON LLC 554   2021-03-18   
430-258 1   903C ONVOY, LLC - TX 554   2021-03-19   
430-258 2   903C ONVOY, LLC - TX 554   2020-01-27   
430-258 3   903C ONVOY, LLC - TX 554   2020-01-27   
430-258 4   903C ONVOY, LLC - TX 554   2020-01-27   
430-258 5   903C ONVOY, LLC - TX 554   2020-08-28   
430-258 6   903C ONVOY, LLC - TX 554   2020-08-28   
430-258 7   903C ONVOY, LLC - TX 554   2021-03-19   
430-258 8   6529 T-MOBILE USA, INC. 554   2022-03-17   
430-258 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2019-09-09   
430-385 A   903C ONVOY, LLC - TX 554   2025-06-06   
430-385 0   903C ONVOY, LLC - TX 554   2025-06-06   
430-385 1   903C ONVOY, LLC - TX 554   2025-11-28   
430-385 8   903C ONVOY, LLC - TX 554   2026-01-04   
430-588 A LGVWTXPLX5Y  965H FRACTEL, LLC 554      
430-588 0   6529 T-MOBILE USA, INC. 554   2022-03-17   
430-588 1   624H ONVOY SPECTRUM, LLC 554   2021-12-11   
430-588 2   624H ONVOY SPECTRUM, LLC 554   2021-12-11   
430-588 3   5562 METROPCS, INC. 554   2021-08-27   
430-588 4   6529 T-MOBILE USA, INC. 554   2022-03-17   
430-588 5   624H ONVOY SPECTRUM, LLC 554   2021-07-12   
430-588 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-12-04   
430-588 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-12-04   
430-588 8   965H FRACTEL, LLC 554   2021-07-09   
430-588 9   6529 T-MOBILE USA, INC. 554   2022-03-17   
903-407 A LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-407 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-407 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-407 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2004-05-06   
903-407 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2006-01-06   
903-407 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554   2003-11-15   
903-407 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2005-03-07   
903-407 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2005-03-07   
903-407 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2005-08-29   
903-407 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-407 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-471 A LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-471 0   004F BANDWIDTH.COM CLEC, LLC - TX 554   2011-08-26   
903-471 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2014-11-28   
903-471 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2014-11-28   
903-471 3   903C ONVOY, LLC - TX 554   2011-11-01   
903-471 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2014-11-28   
903-471 5   516C AT&T CORP. 554   2011-09-12   
903-471 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2014-11-28   
903-471 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2014-11-28   
903-471 8   004F BANDWIDTH.COM CLEC, LLC - TX 554   2015-08-14   
903-471 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2011-05-27   
903-472 A LGVWTXBA37Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554      
903-472 0   004F BANDWIDTH.COM CLEC, LLC - TX 554   2015-08-14   
903-472 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2006-02-10   
903-472 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2006-04-15   
903-472 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2008-03-08   
903-472 4   903C ONVOY, LLC - TX 554   2008-05-22   
903-472 5   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554   2006-03-16   
903-472 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2018-10-28   
903-472 7   004F BANDWIDTH.COM CLEC, LLC - TX 554   2018-06-10   
903-472 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2006-08-02   
903-472 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2006-08-02   
903-503 A LGVWTXBA47Z  6529 T-MOBILE USA, INC. 554      
903-503 0   6529 T-MOBILE USA, INC. 554      
903-503 1   6529 T-MOBILE USA, INC. 554      
903-503 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2009-05-18   
903-503 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2009-06-01   
903-503 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2009-12-09   
903-503 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2009-04-16   
903-503 6   8625 COMCAST PHONE OF TEXAS, LLC - TX 554   2010-01-15   
903-503 7   903C ONVOY, LLC - TX 554   2008-05-22   
903-503 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2007-10-12   
903-503 9   6529 T-MOBILE USA, INC. 554      
903-578 A LGVWTXPLX7Y  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 0   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 1   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 3   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 4   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 5   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 6   004F BANDWIDTH.COM CLEC, LLC - TX 554   2019-03-29   
903-578 7   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-578 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2019-08-05   
903-578 9   004F BANDWIDTH.COM CLEC, LLC - TX 554   2019-03-29   
903-702 A LGVWTXPLX7Y  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554      
903-702 0   004F BANDWIDTH.COM CLEC, LLC - TX 554   2010-03-18   
903-702 1   004F BANDWIDTH.COM CLEC, LLC - TX 554   2010-09-03   
903-702 2   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2010-10-04   
903-702 3   004F BANDWIDTH.COM CLEC, LLC - TX 554   2010-10-29   
903-702 4   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 554   2015-08-10   
903-702 5   004F BANDWIDTH.COM CLEC, LLC - TX 554   2011-06-17   
903-702 6   9533 SOUTHWESTERN BELL 554   2010-04-22   

1 2 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.