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
972-433 5 Prosper TX 903C ONVOY, LLC - TX 552   2020-09-18   
972-433 7 Prosper TX 903C ONVOY, LLC - TX 552   2020-04-29   
972-435 6 Maypearl TX 903C ONVOY, LLC - TX 552   2016-03-14   
972-435 7 Maypearl TX 903C ONVOY, LLC - TX 552   2009-03-07   
972-441 7 Wilmer EMS TX 903C ONVOY, LLC - TX 552   2012-07-06   
972-449 1 Palmer TX 903C ONVOY, LLC - TX 552   2012-12-16   
972-449 4 Palmer TX 903C ONVOY, LLC - TX 552   2012-12-16   
972-449 5 Palmer TX 903C ONVOY, LLC - TX 552   2012-12-16   
972-449 6 Palmer TX 903C ONVOY, LLC - TX 552   2012-12-16   
972-449 7 Palmer TX 903C ONVOY, LLC - TX 552   2013-12-09   
972-449 8 Palmer TX 903C ONVOY, LLC - TX 552   2013-12-09   
972-449 9 Palmer TX 903C ONVOY, LLC - TX 552   2016-04-11   
972-455 8 Dallas TX 903C ONVOY, LLC - TX 552   2012-02-22   
972-460 8 Cedar Hill TX 903C ONVOY, LLC - TX 552   2016-03-07   
972-469 7 Frisco TX 903C ONVOY, LLC - TX 552   2016-08-25   
972-472 0 Crandall TX 903C ONVOY, LLC - TX 552   2012-12-14   
972-472 1 Crandall TX 903C ONVOY, LLC - TX 552   2012-12-14   
972-472 2 Crandall TX 903C ONVOY, LLC - TX 552   2020-09-18   
972-472 4 Crandall TX 903C ONVOY, LLC - TX 552   2012-12-14   
972-472 7 Crandall TX 903C ONVOY, LLC - TX 552   2011-11-26   
972-474 3 Combine TX 903C ONVOY, LLC - TX 552   2012-10-25   
972-474 4 Combine TX 903C ONVOY, LLC - TX 552   2010-11-08   
972-474 8 Combine TX 903C ONVOY, LLC - TX 552   2011-09-18   
972-474 9 Combine TX 903C ONVOY, LLC - TX 552   2016-04-07   
972-476 2 Combine EMS TX 903C ONVOY, LLC - TX 552   2016-04-07   
972-476 7 Combine EMS TX 903C ONVOY, LLC - TX 552   2008-08-02   
972-479 5 Dallas TX 903C ONVOY, LLC - TX 552   2011-07-11   
972-480 3 Dallas TX 903C ONVOY, LLC - TX 552   2008-04-20   
972-480 6 Dallas TX 903C ONVOY, LLC - TX 552   2008-04-20   
972-483 4 Italy TX 903C ONVOY, LLC - TX 552   2008-09-20   
972-483 5 Italy TX 903C ONVOY, LLC - TX 552   2012-12-07   
972-498 1 Dallas TX 903C ONVOY, LLC - TX 552   2008-04-25   
972-499 6 Dallas TX 903C ONVOY, LLC - TX 552   2008-04-25   
972-503 8 Dallas TX 903C ONVOY, LLC - TX 552   2016-02-15   
972-515 4 Red Oak (Ovilla) TX 903C ONVOY, LLC - TX 552   2004-04-04   
972-521 3 Allen EACS TX 903C ONVOY, LLC - TX 552   2012-10-11   
972-521 4 Allen EACS TX 903C ONVOY, LLC - TX 552   2013-12-09   
972-521 6 Allen EACS TX 903C ONVOY, LLC - TX 552   2013-12-09   
972-521 7 Allen EACS TX 903C ONVOY, LLC - TX 552   2008-08-02   
972-525 1 Wilmer TX 903C ONVOY, LLC - TX 552   2012-12-16   
972-525 2 Wilmer TX 903C ONVOY, LLC - TX 552   2012-12-16   
972-525 4 Wilmer TX 903C ONVOY, LLC - TX 552   2012-12-16   
972-525 7 Wilmer TX 903C ONVOY, LLC - TX 552   2009-03-08   
972-528 5 Dallas TX 903C ONVOY, LLC - TX 552   2011-04-22   
972-532 8 Dallas TX 903C ONVOY, LLC - TX 552   2004-11-11   
972-544 4 Ferris TX 903C ONVOY, LLC - TX 552   2012-07-06   
972-544 5 Ferris TX 903C ONVOY, LLC - TX 552   2018-07-17   
972-546 7 Dallas TX 903C ONVOY, LLC - TX 552   2009-10-05   
972-551 4 Terrell TX 903C ONVOY, LLC - TX 552   2015-12-10   
972-552 7 Forney TX 903C ONVOY, LLC - TX 552   2008-08-02   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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