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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
972-815 9 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-816 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-817 A Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-817 0 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-08-20   
972-817 1 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-08-20   
972-817 2 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 3 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 4 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 5 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 6 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 7 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 8 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-817 9 Irving TX DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2016-09-11   
972-818 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-818 0 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-818 1 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-01-18   
972-818 2 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-11-08   
972-818 3 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-05-12   
972-818 4 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-11-08   
972-818 5 Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-02-15   
972-818 6 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2021-12-19   
972-818 7 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-05-12   
972-818 8 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-818 9 Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-819 A Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 0 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 1 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 2 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 3 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 4 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 5 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 6 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 7 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 8 Irving TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-819 9 Irving TX   903C ONVOY, LLC - TX 552   2011-03-09   
972-820 A Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 0 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 1 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2007-05-19   
972-820 2 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 3 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 4 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 5 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 6 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 7 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 8 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-820 9 Carrollton TX DLLSTXREDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-821 A Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552      
972-821 0 Irving TX   6529 T-MOBILE USA, INC. 552   2019-07-12   
972-821 1 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2005-05-20   
972-821 2 Irving TX DLLTTX01DMD  5562 METROPCS, INC. 552   2005-05-20   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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