Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: IRNGTXXBXTY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-328 1 Grapevine TX 903C ONVOY, LLC - TX 552      
817-328 2 Grapevine TX 903C ONVOY, LLC - TX 552      
817-328 3 Grapevine TX 903C ONVOY, LLC - TX 552      
817-328 5 Grapevine TX 903C ONVOY, LLC - TX 552      
817-328 6 Grapevine TX 903C ONVOY, LLC - TX 552      
817-328 8 Grapevine TX 903C ONVOY, LLC - TX 552      
817-400 A Grapevine TX 903C ONVOY, LLC - TX 552   2025-04-11   
817-400 0 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 1 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 2 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 3 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 4 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 5 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 6 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 7 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-400 8 Grapevine TX 903C ONVOY, LLC - TX 552   2007-01-12   
817-442 2 Grapevine TX 903C ONVOY, LLC - TX 552   2016-09-12   
817-442 6 Grapevine TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-442 7 Grapevine TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-527 9 Grapevine TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-552 A Grapevine TX 903C ONVOY, LLC - TX 552      
817-552 2 Grapevine TX 903C ONVOY, LLC - TX 552      
817-552 3 Grapevine TX 903C ONVOY, LLC - TX 552      
817-552 4 Grapevine TX 903C ONVOY, LLC - TX 552      
817-552 5 Grapevine TX 903C ONVOY, LLC - TX 552      
817-552 7 Grapevine TX 903C ONVOY, LLC - TX 552      
817-601 1 Grapevine TX 903C ONVOY, LLC - TX 552   2016-12-23   
817-748 A Grapevine TX 903C ONVOY, LLC - TX 552      
817-748 2 Grapevine TX 903C ONVOY, LLC - TX 552   2024-11-11   
817-748 8 Grapevine TX 903C ONVOY, LLC - TX 552      
817-756 0 Grapevine TX 903C ONVOY, LLC - TX 552   2020-01-27   
817-796 8 Grapevine TX 903C ONVOY, LLC - TX 552   2014-09-04   
817-809 2 Grapevine TX 903C ONVOY, LLC - TX 552   2014-10-16   
817-809 3 Grapevine TX 903C ONVOY, LLC - TX 552   2014-10-16   
817-809 9 Grapevine TX 903C ONVOY, LLC - TX 552   2016-01-18   
817-865 1 Grapevine TX 903C ONVOY, LLC - TX 552   2008-09-19   
817-865 5 Grapevine TX 903C ONVOY, LLC - TX 552   2011-08-17   
817-865 6 Grapevine TX 903C ONVOY, LLC - TX 552   2009-03-04   
817-865 7 Grapevine TX 903C ONVOY, LLC - TX 552   2009-03-04   
817-865 8 Grapevine TX 903C ONVOY, LLC - TX 552   2012-02-17   
817-873 2 Grapevine TX 903C ONVOY, LLC - TX 552   2016-04-22   
817-873 3 Grapevine TX 903C ONVOY, LLC - TX 552   2016-02-08   
817-873 6 Grapevine TX 903C ONVOY, LLC - TX 552   2016-04-22   
817-954 8 Grapevine TX 903C ONVOY, LLC - TX 552   2024-06-29   
817-954 9 Grapevine TX 903C ONVOY, LLC - TX 552   2024-06-29   
945-223 0 Carrollton TX 903C ONVOY, LLC - TX 552   2022-09-26   
945-223 1 Carrollton TX 903C ONVOY, LLC - TX 552   2022-03-12   
945-223 2 Carrollton TX 903C ONVOY, LLC - TX 552   2021-12-24   
945-223 3 Carrollton TX 903C ONVOY, LLC - TX 552   2021-12-24   
945-253 3 Plano TX 903C ONVOY, LLC - TX 552   2022-08-06   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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