Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-546 9 Fort Worth TX 903C ONVOY, LLC - TX 552      
817-547 0 Fort Worth TX 903C ONVOY, LLC - TX 552   2014-04-04   
817-553 A Euless TX 903C ONVOY, LLC - TX 552      
817-553 0 Euless TX 903C ONVOY, LLC - TX 552   2026-06-13   
817-553 1 Euless TX 903C ONVOY, LLC - TX 552      
817-553 2 Euless TX 903C ONVOY, LLC - TX 552      
817-553 8 Euless TX 903C ONVOY, LLC - TX 552      
817-553 9 Euless TX 903C ONVOY, LLC - TX 552   2026-06-13   
817-554 3 Euless TX 903C ONVOY, LLC - TX 552   2025-03-09   
817-554 4 Euless TX 903C ONVOY, LLC - TX 552   2021-07-15   
817-554 8 Euless TX 903C ONVOY, LLC - TX 552   2011-09-02   
817-562 7 Keller TX 903C ONVOY, LLC - TX 552   2017-07-02   
817-566 8 Fort Worth TX 903C ONVOY, LLC - TX 552   2005-03-06   
817-567 0 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-567 2 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2010-06-15   
817-567 4 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2010-02-24   
817-567 5 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2010-02-24   
817-567 6 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2012-02-15   
817-567 8 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2003-10-27   
817-572 8 Kennedale EMS TX 903C ONVOY, LLC - TX 552   2025-03-09   
817-580 3 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 4 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 5 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 7 Atlas TX 903C ONVOY, LLC - TX 552   2012-05-18   
817-580 8 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 9 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-583 8 Arlington EMS TX 903C ONVOY, LLC - TX 552   2010-06-15   
817-586 1 Glendale TX 903C ONVOY, LLC - TX 552   2008-11-17   
817-587 A Alvarado TX 903C ONVOY, LLC - TX 552      
817-587 1 Alvarado TX 903C ONVOY, LLC - TX 552   2020-04-11   
817-587 2 Alvarado TX 903C ONVOY, LLC - TX 552   2020-02-21   
817-587 3 Alvarado TX 903C ONVOY, LLC - TX 552   2020-02-21   
817-587 4 Alvarado TX 903C ONVOY, LLC - TX 552   2020-02-21   
817-587 6 Alvarado TX 903C ONVOY, LLC - TX 552   2016-03-19   
817-587 8 Alvarado TX 903C ONVOY, LLC - TX 552   2020-04-11   
817-587 9 Alvarado TX 903C ONVOY, LLC - TX 552   2016-03-19   
817-591 8 Atlas TX 903C ONVOY, LLC - TX 552   2003-12-28   
817-592 0 Mansfield TX 903C ONVOY, LLC - TX 552   2012-12-14   
817-592 1 Mansfield TX 903C ONVOY, LLC - TX 552   2012-12-14   
817-592 2 Mansfield TX 903C ONVOY, LLC - TX 552   2012-12-14   
817-592 4 Mansfield TX 903C ONVOY, LLC - TX 552   2012-12-14   
817-592 8 Mansfield TX 903C ONVOY, LLC - TX 552   2014-10-12   
817-592 9 Mansfield TX 903C ONVOY, LLC - TX 552   2014-10-12   
817-607 3 Fort Worth TX 903C ONVOY, LLC - TX 552   2007-12-15   
817-607 8 Fort Worth TX 903C ONVOY, LLC - TX 552   2008-04-25   
817-608 1 Arlington EMS TX 903C ONVOY, LLC - TX 552   2012-03-12   
817-612 A Azle TX 903C ONVOY, LLC - TX 552      
817-612 0 Azle TX 903C ONVOY, LLC - TX 552   2012-12-13   
817-612 1 Azle TX 903C ONVOY, LLC - TX 552   2012-12-13   
817-612 3 Azle TX 903C ONVOY, LLC - TX 552   2012-12-13   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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