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

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-709 A Dallas TX DLLSTXDVDS0  9533 SOUTHWESTERN BELL 552      
972-710 A Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-712 A Frisco EACS TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552      
972-713 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-714 A Irving TX IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-715 A Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-716 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-717 A Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-718 A Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-719 A Irving TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-720 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-721 A Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-722 A Rockwall TX RKWLTXPADS0  9533 SOUTHWESTERN BELL 552      
972-723 A Midlothian EMS TX MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-724 A Lewisville EMS TX LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-725 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-726 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-727 A Allen EACS TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-728 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-729 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-730 A Grand Prairie TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-731 A Frisco EACS TX FRSCTXESDS0  9533 SOUTHWESTERN BELL 552      
972-732 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-733 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-734 A Princeton EMS TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-735 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-736 A Princeton TX PRTNTXRERS0  9533 SOUTHWESTERN BELL 552      
972-737 A Allen TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-738 A Dallas TX DLLSTXREDS0  9533 SOUTHWESTERN BELL 552      
972-739 A Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-740 A Grand Prairie EMS TX CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-741 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-742 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-743 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-744 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-745 A Lewisville TX LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-746 A Irving TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-747 A Allen EACS TX ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
972-748 A De Soto TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-749 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-750 A Terrell TX DLLSTXRIXPZ  7421 AT&T - LOCAL 552      
972-751 A Irving EMS TX IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-752 A Blue Ridge TX BLRGTXXARS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-753 A Irving TX IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-754 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-755 A Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-756 A Irving TX IRNGTXXGDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-757 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-758 A Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-759 A Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-760 A Grand Prairie EMS TX DLLSTXJP2MD  6630 USA MOBILITY WIRELESS, INC. 552      
972-761 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-762 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-763 A Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-764 A Dallas TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-765 A Cedar Hill TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-766 A Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-767 A Plano TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-768 A Grand Prairie EMS TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552      
972-769 A Plano TX PLANTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-770 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-771 A Rockwall EACS TX RKWLTXPADS0  9533 SOUTHWESTERN BELL 552      
972-772 A Rockwall EACS TX RKWLTXPADS0  9533 SOUTHWESTERN BELL 552      
972-773 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-774 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-775 A Midlothian TX MDLTTXGRRS0  9533 SOUTHWESTERN BELL 552      
972-776 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-777 A Dallas TX DLLSTX3769Z  473F USFON, INC. - TX 552      
972-778 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-779 A Cedar Hill EMS TX DLLSTXCHDS0  9533 SOUTHWESTERN BELL 552      
972-780 A Dallas TX DLLSTXDVDS0  9533 SOUTHWESTERN BELL 552      
972-781 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-782 A Farmersville TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-783 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-784 A Farmersville EMS TX FRVLTXSTRS0  9533 SOUTHWESTERN BELL 552      
972-785 A Irving TX IRNGTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-786 A Irving TX DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
972-787 A Prosper EMS TX FRBRTXBLGTC  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-788 A Dallas TX DLLSTXADDS1  9533 SOUTHWESTERN BELL 552      
972-789 A Dallas TX DLLSTXADDS0  9533 SOUTHWESTERN BELL 552      
972-790 A Irving TX IRNGTXXDDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-791 A Irving EMS TX IRNGTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-792 A Dallas TX DLLSTXRNDS1  9533 SOUTHWESTERN BELL 552      
972-793 A Irving TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-794 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-795 A Grand Prairie TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-796 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-797 A Plano TX PLANTXXDDS1  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-798 A Carrollton TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2025-04-06   
972-799 A Grand Prairie TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-800 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-801 A Plano TX ALLNTXSADS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
972-802 A Grand Prairie TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
972-803 A Dallas TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-804 A Grand Prairie EMS TX FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
972-805 A Plano TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-806 A Plano TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
972-807 A Dallas TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
972-808 A Dallas TX DLLSTXRNDS0  9533 SOUTHWESTERN BELL 552      
972-809 A Grand Prairie TX DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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