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: IRNGTXXBXTY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
469-957 2 Irving TX 903C ONVOY, LLC - TX 552   2023-07-06   
469-974 0 Plano TX 903C ONVOY, LLC - TX 552   2017-07-02   
469-991 A Plano TX 903C ONVOY, LLC - TX 552      
469-991 0 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 1 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 2 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 3 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 4 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 5 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 6 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 7 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 8 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-991 9 Plano TX 903C ONVOY, LLC - TX 552   2016-01-18   
682-271 9 Grapevine TX 903C ONVOY, LLC - TX 552   2020-01-27   
682-345 0 Grapevine TX 903C ONVOY, LLC - TX 552   2021-02-21   
682-345 1 Grapevine TX 903C ONVOY, LLC - TX 552   2021-02-21   
682-345 3 Grapevine TX 903C ONVOY, LLC - TX 552   2024-09-15   
682-345 4 Grapevine TX 903C ONVOY, LLC - TX 552   2020-11-22   
682-345 5 Grapevine TX 903C ONVOY, LLC - TX 552   2020-11-22   
682-345 7 Grapevine TX 903C ONVOY, LLC - TX 552   2020-11-22   
682-345 8 Grapevine TX 903C ONVOY, LLC - TX 552   2020-11-22   
682-345 9 Grapevine TX 903C ONVOY, LLC - TX 552   2021-02-21   
682-349 1 Grapevine TX 903C ONVOY, LLC - TX 552   2022-12-15   
682-349 2 Grapevine TX 903C ONVOY, LLC - TX 552   2022-12-15   
682-349 3 Grapevine TX 903C ONVOY, LLC - TX 552   2023-01-15   
682-349 4 Grapevine TX 903C ONVOY, LLC - TX 552   2023-01-15   
682-349 5 Grapevine TX 903C ONVOY, LLC - TX 552   2023-10-28   
682-349 6 Grapevine TX 903C ONVOY, LLC - TX 552   2023-10-28   
682-349 7 Grapevine TX 903C ONVOY, LLC - TX 552   2023-10-28   
682-349 8 Grapevine TX 903C ONVOY, LLC - TX 552   2023-10-28   
682-349 9 Grapevine TX 903C ONVOY, LLC - TX 552   2023-10-28   
682-439 0 Grapevine TX 903C ONVOY, LLC - TX 552   2024-07-28   
682-439 1 Grapevine TX 903C ONVOY, LLC - TX 552   2024-10-04   
682-477 3 Grapevine TX 903C ONVOY, LLC - TX 552   2017-07-02   
682-477 8 Grapevine TX 903C ONVOY, LLC - TX 552   2018-03-13   
682-688 A Grapevine TX 903C ONVOY, LLC - TX 552      
682-688 2 Grapevine TX 903C ONVOY, LLC - TX 552   2020-06-26   
682-688 3 Grapevine TX 903C ONVOY, LLC - TX 552   2020-06-26   
682-688 4 Grapevine TX 903C ONVOY, LLC - TX 552   2020-03-06   
682-688 5 Grapevine TX 903C ONVOY, LLC - TX 552   2020-03-06   
682-688 6 Grapevine TX 903C ONVOY, LLC - TX 552   2020-03-06   
682-688 7 Grapevine TX 903C ONVOY, LLC - TX 552   2020-03-06   
682-688 8 Grapevine TX 903C ONVOY, LLC - TX 552   2020-03-06   
682-688 9 Grapevine TX 903C ONVOY, LLC - TX 552   2020-06-26   
682-837 5 Grapevine TX 903C ONVOY, LLC - TX 552   2023-07-17   
682-837 6 Grapevine TX 903C ONVOY, LLC - TX 552   2023-10-28   
682-837 7 Grapevine TX 903C ONVOY, LLC - TX 552   2021-07-15   
682-837 8 Grapevine TX 903C ONVOY, LLC - TX 552   2021-07-15   
817-203 2 Grapevine TX 903C ONVOY, LLC - TX 552   2010-06-15   
817-442 2 Grapevine TX 903C ONVOY, LLC - TX 552   2016-09-12   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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