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.

Switch: HSTNTXYADS5

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-553 8 Houston TX 903C ONVOY, LLC - TX 560   2022-06-09   
346-556 0 Houston TX 903C ONVOY, LLC - TX 560   2023-11-12   
346-556 1 Houston TX 903C ONVOY, LLC - TX 560   2023-11-12   
346-559 1 Humble TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-559 2 Humble TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-559 3 Humble TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-560 4 Houston TX 903C ONVOY, LLC - TX 560   2023-06-30   
346-560 5 Houston TX 903C ONVOY, LLC - TX 560   2023-06-30   
346-560 7 Houston TX 903C ONVOY, LLC - TX 560   2023-06-30   
346-566 2 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-566 3 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-566 4 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-566 5 Westfield TX 903C ONVOY, LLC - TX 560   2021-07-12   
346-570 0 Houston Suburban TX 903C ONVOY, LLC - TX 560   2016-12-24   
346-570 1 Houston Suburban TX 903C ONVOY, LLC - TX 560   2016-12-24   
346-572 3 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-572 4 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-572 5 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-572 8 Tomball TX 903C ONVOY, LLC - TX 560   2023-07-15   
346-572 9 Tomball TX 903C ONVOY, LLC - TX 560   2023-08-26   
346-576 A Barker TX 903C ONVOY, LLC - TX 560      
346-576 3 Barker TX 903C ONVOY, LLC - TX 560   2021-02-18   
346-576 4 Barker TX 903C ONVOY, LLC - TX 560   2021-01-03   
346-576 5 Barker TX 903C ONVOY, LLC - TX 560   2021-01-03   
346-577 8 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
346-577 9 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
346-584 2 Friendswood TX 903C ONVOY, LLC - TX 560   2023-07-15   
346-584 3 Friendswood TX 903C ONVOY, LLC - TX 560   2022-12-12   
346-584 4 Friendswood TX 903C ONVOY, LLC - TX 560   2022-12-12   
346-584 5 Friendswood TX 903C ONVOY, LLC - TX 560   2023-01-15   
346-584 6 Friendswood TX 903C ONVOY, LLC - TX 560   2023-01-15   
346-584 7 Friendswood TX 903C ONVOY, LLC - TX 560   2023-01-15   
346-584 9 Friendswood TX 903C ONVOY, LLC - TX 560   2023-10-01   
346-585 2 Stafford TX 903C ONVOY, LLC - TX 560   2023-05-13   
346-585 7 Stafford TX 903C ONVOY, LLC - TX 560   2023-10-01   
346-585 8 Stafford TX 903C ONVOY, LLC - TX 560   2023-07-15   
346-586 0 Houston TX 903C ONVOY, LLC - TX 560   2023-08-07   
346-586 1 Houston TX 903C ONVOY, LLC - TX 560   2023-08-07   
346-586 2 Houston TX 903C ONVOY, LLC - TX 560   2023-08-07   
346-586 4 Houston TX 903C ONVOY, LLC - TX 560   2022-11-08   
346-586 5 Houston TX 903C ONVOY, LLC - TX 560   2022-11-08   
346-586 6 Houston TX 903C ONVOY, LLC - TX 560   2022-11-08   
346-586 7 Houston TX 903C ONVOY, LLC - TX 560   2022-11-08   
346-586 8 Houston TX 903C ONVOY, LLC - TX 560   2022-11-08   
346-588 7 Cypress TX 903C ONVOY, LLC - TX 560   2021-10-25   
346-589 5 Spring TX 903C ONVOY, LLC - TX 560   2022-12-11   
346-589 6 Spring TX 903C ONVOY, LLC - TX 560   2022-12-11   
346-589 7 Spring TX 903C ONVOY, LLC - TX 560   2022-12-11   
346-589 8 Spring TX 903C ONVOY, LLC - TX 560   2023-01-15   
346-590 1 Westfield TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-590 2 Westfield TX 903C ONVOY, LLC - TX 560   2022-12-15   
346-590 3 Westfield TX 903C ONVOY, LLC - TX 560   2023-06-19   
346-590 5 Westfield TX 903C ONVOY, LLC - TX 560   2023-05-13   
346-590 6 Westfield TX 903C ONVOY, LLC - TX 560   2023-08-12   
346-590 7 Westfield TX 903C ONVOY, LLC - TX 560   2023-06-19   
346-590 8 Westfield TX 903C ONVOY, LLC - TX 560   2023-06-19   
346-591 0 Porter Heights TX 903C ONVOY, LLC - TX 560   2023-08-07   
346-591 8 Porter Heights TX 903C ONVOY, LLC - TX 560   2023-10-14   
346-594 0 Barker TX 903C ONVOY, LLC - TX 560   2023-07-15   
346-594 5 Barker TX 903C ONVOY, LLC - TX 560   2023-05-13   
346-594 6 Barker TX 903C ONVOY, LLC - TX 560   2023-10-01   
346-594 7 Barker TX 903C ONVOY, LLC - TX 560   2023-05-13   
346-594 8 Barker TX 903C ONVOY, LLC - TX 560   2023-03-06   
346-594 9 Barker TX 903C ONVOY, LLC - TX 560   2023-07-15   
346-595 2 Arcola TX 903C ONVOY, LLC - TX 560   2023-05-27   
346-595 3 Arcola TX 903C ONVOY, LLC - TX 560   2023-07-15   
346-595 4 Arcola TX 903C ONVOY, LLC - TX 560   2023-10-14   
346-595 8 Arcola TX 903C ONVOY, LLC - TX 560   2023-08-26   
346-597 1 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-597 2 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-597 3 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-597 4 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-597 5 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-597 7 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-597 8 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-597 9 Langham Creek TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-598 1 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-598 2 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-598 3 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-598 4 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-598 5 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-598 6 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-598 7 Tomball TX 903C ONVOY, LLC - TX 560   2022-12-17   
346-600 A Humble TX 903C ONVOY, LLC - TX 560      
346-600 0 Humble TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-600 6 Humble TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-600 9 Humble TX 903C ONVOY, LLC - TX 560   2015-05-25   
346-601 2 Houston TX 903C ONVOY, LLC - TX 560   2022-12-20   
346-601 3 Houston TX 903C ONVOY, LLC - TX 560   2022-12-20   
346-601 4 Houston TX 903C ONVOY, LLC - TX 560   2022-12-20   
346-601 5 Houston TX 903C ONVOY, LLC - TX 560   2022-12-20   
346-601 6 Houston TX 903C ONVOY, LLC - TX 560   2022-12-20   
346-601 7 Houston TX 903C ONVOY, LLC - TX 560   2022-12-20   
346-601 8 Houston TX 903C ONVOY, LLC - TX 560   2023-01-11   
346-601 9 Houston TX 903C ONVOY, LLC - TX 560   2023-01-11   
346-603 5 Alvin TX 903C ONVOY, LLC - TX 560   2022-12-29   
346-605 8 Houston Suburban TX 903C ONVOY, LLC - TX 560   2023-10-14   
346-609 1 Bammel TX 903C ONVOY, LLC - TX 560   2023-06-22   
346-610 9 Houston TX 903C ONVOY, LLC - TX 560   2019-01-19   
346-612 8 Cleveland TX 903C ONVOY, LLC - TX 560   2023-07-15   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.