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NPA: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-259 1 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-259 2 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-259 3 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-259 4 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-259 5 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-259 6 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-259 7 Irving TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-09-27   
972-259 8 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-259 9 Irving TX IRNGTXXBDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-260 A Grand Prairie EMS TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-261 A Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-261 0 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-261 1 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-261 2 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-261 3 Irving EMS TX   6529 T-MOBILE USA, INC. 552   2010-12-10   
972-261 4 Irving EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-09-27   
972-261 5 Irving EMS TX IRNGTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-261 6 Irving EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-10   
972-261 7 Irving EMS TX   6529 T-MOBILE USA, INC. 552   2010-12-10   
972-261 8 Irving EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-10   
972-261 9 Irving EMS TX   6529 T-MOBILE USA, INC. 552   2010-12-10   
972-262 A Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-263 A Grand Prairie EMS TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-264 A Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-265 A Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 0 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 1 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 2 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 3 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 4 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 5 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 6 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 7 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2007-04-27   
972-265 8 Plano TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-265 9 Plano TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
972-266 A Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-266 0 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-266 1 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-01-27   
972-266 2 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-266 3 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-01-27   
972-266 4 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-01-27   
972-266 5 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-266 6 Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2018-01-27   
972-266 7 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-266 8 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-266 9 Grand Prairie TX DLLSTXGPRPA  9533 SOUTHWESTERN BELL 552      
972-267 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-267 0 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-267 1 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-267 2 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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