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
945-954 8 Dallas TX 903C ONVOY, LLC - TX 552   2025-04-12   
945-999 0 Bristol TX 903C ONVOY, LLC - TX 552   2021-01-31   
945-999 1 Bristol TX 903C ONVOY, LLC - TX 552   2021-01-31   
972-200 8 Seagoville TX 903C ONVOY, LLC - TX 552   2003-10-25   
972-203 6 Dallas TX 903C ONVOY, LLC - TX 552   2016-02-15   
972-203 7 Dallas TX 903C ONVOY, LLC - TX 552   2007-12-15   
972-210 0 Terrell TX 903C ONVOY, LLC - TX 552   2012-03-24   
972-210 8 Terrell TX 903C ONVOY, LLC - TX 552   2003-10-22   
972-213 1 Grand Prairie TX 903C ONVOY, LLC - TX 552   2007-12-15   
972-213 9 Grand Prairie TX 903C ONVOY, LLC - TX 552   2003-07-10   
972-214 0 Frisco TX 903C ONVOY, LLC - TX 552   2026-03-23   
972-217 4 De Soto (Ovilla) TX 903C ONVOY, LLC - TX 552   2012-12-14   
972-217 8 De Soto (Ovilla) TX 903C ONVOY, LLC - TX 552   2008-09-20   
972-220 8 Dallas TX 903C ONVOY, LLC - TX 552   2008-03-18   
972-220 9 Dallas TX 903C ONVOY, LLC - TX 552   2008-03-18   
972-232 9 Dallas TX 903C ONVOY, LLC - TX 552   2011-07-08   
972-268 A Waxahachie TX 903C ONVOY, LLC - TX 552      
972-268 8 Waxahachie TX 903C ONVOY, LLC - TX 552   2004-03-11   
972-275 8 Dallas TX 903C ONVOY, LLC - TX 552   2005-07-15   
972-284 0 Dallas TX 903C ONVOY, LLC - TX 552   2007-07-17   
972-284 1 Dallas TX 903C ONVOY, LLC - TX 552   2007-01-03   
972-284 7 Dallas TX 903C ONVOY, LLC - TX 552   2007-07-17   
972-299 3 Cedar Hill EMS TX 903C ONVOY, LLC - TX 552   2016-03-07   
972-314 A Grand Prairie TX 903C ONVOY, LLC - TX 552      
972-314 2 Grand Prairie TX 903C ONVOY, LLC - TX 552      
972-314 5 Grand Prairie TX 903C ONVOY, LLC - TX 552      
972-314 9 Grand Prairie TX 903C ONVOY, LLC - TX 552      
972-325 7 Seagoville TX 903C ONVOY, LLC - TX 552   2010-06-15   
972-325 9 Seagoville TX 903C ONVOY, LLC - TX 552   2021-10-14   
972-327 3 Terrell TX 903C ONVOY, LLC - TX 552   2021-02-15   
972-327 4 Terrell TX 903C ONVOY, LLC - TX 552   2021-02-15   
972-327 5 Terrell TX 903C ONVOY, LLC - TX 552   2021-02-15   
972-327 6 Terrell TX 903C ONVOY, LLC - TX 552   2021-04-12   
972-327 7 Terrell TX 903C ONVOY, LLC - TX 552   2021-04-12   
972-327 8 Terrell TX 903C ONVOY, LLC - TX 552   2021-04-12   
972-328 9 Dallas TX 903C ONVOY, LLC - TX 552   2026-04-04   
972-330 A Ennis TX 903C ONVOY, LLC - TX 552      
972-330 0 Ennis TX 903C ONVOY, LLC - TX 552   2026-06-13   
972-330 8 Ennis TX 903C ONVOY, LLC - TX 552   2004-03-11   
972-331 A Dallas TX 903C ONVOY, LLC - TX 552      
972-338 9 Dallas TX 903C ONVOY, LLC - TX 552   2011-06-17   
972-347 8 Prosper TX 903C ONVOY, LLC - TX 552   2013-04-05   
972-357 A Forney TX 903C ONVOY, LLC - TX 552      
972-357 8 Forney TX 903C ONVOY, LLC - TX 552   2004-03-11   
972-357 9 Forney TX 903C ONVOY, LLC - TX 552   2008-11-01   
972-362 4 Dallas TX 903C ONVOY, LLC - TX 552   2014-10-18   
972-362 8 Dallas TX 903C ONVOY, LLC - TX 552   2014-04-04   
972-363 8 McKinney TX 903C ONVOY, LLC - TX 552   2010-04-17   
972-366 4 Venus TX 903C ONVOY, LLC - TX 552   2016-04-08   
972-366 6 Venus TX 903C ONVOY, LLC - TX 552   2011-03-04   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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