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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-380 A Plano TX 903C ONVOY, LLC - TX 552      
214-807 A Irving TX 903C ONVOY, LLC - TX 552      
214-894 A Lewisville TX 903C ONVOY, LLC - TX 552      
214-910 A Dallas Fort Worth Airport TX 903C ONVOY, LLC - TX 552      
214-919 A Plano TX 903C ONVOY, LLC - TX 552      
214-997 A Dallas Fort Worth Airport TX 903C ONVOY, LLC - TX 552      
469-205 A Dallas Fort Worth Airport TX 903C ONVOY, LLC - TX 552      
469-281 A Dallas Fort Worth Airport TX 903C ONVOY, LLC - TX 552      
469-312 A Lewisville TX 903C ONVOY, LLC - TX 552      
469-331 A Plano TX 903C ONVOY, LLC - TX 552      
469-409 A Plano TX 903C ONVOY, LLC - TX 552      
469-455 A Lewisville TX 903C ONVOY, LLC - TX 552      
469-472 A Irving TX 903C ONVOY, LLC - TX 552      
469-599 A Irving TX 903C ONVOY, LLC - TX 552      
469-642 A Plano TX 903C ONVOY, LLC - TX 552      
469-661 A Plano TX 903C ONVOY, LLC - TX 552      
469-771 A Lewisville TX 903C ONVOY, LLC - TX 552      
469-833 A Plano TX 903C ONVOY, LLC - TX 552      
469-915 A Plano TX 903C ONVOY, LLC - TX 552      
469-991 A Plano TX 903C ONVOY, LLC - TX 552      
682-688 A Grapevine TX 903C ONVOY, LLC - TX 552      
945-294 A Plano TX 903C ONVOY, LLC - TX 552      
945-295 A Lewisville TX 903C ONVOY, LLC - TX 552      
945-298 A Carrollton TX 903C ONVOY, LLC - TX 552      
945-325 A Plano TX 903C ONVOY, LLC - TX 552   2024-03-29   
945-334 A Lewisville TX 903C ONVOY, LLC - TX 552   2024-04-22   
945-335 A Irving TX 903C ONVOY, LLC - TX 552   2024-04-22   
945-425 A Lewisville TX 903C ONVOY, LLC - TX 552      
945-523 A Carrollton TX 903C ONVOY, LLC - TX 552      
945-810 A Irving TX 903C ONVOY, LLC - TX 552      
945-942 A Plano TX 903C ONVOY, LLC - TX 552      
972-440 A Carrollton TX 903C ONVOY, LLC - TX 552      
972-457 A Irving TX 903C ONVOY, LLC - TX 552      
972-573 A Irving TX 903C ONVOY, LLC - TX 552      
972-600 A Irving TX 903C ONVOY, LLC - TX 552      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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