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OCN: 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
972-429 A Plano TX WYLITXXADS0  552      
972-434 A Lewisville EMS TX LWVLTXXAPS0  552      
972-436 A Lewisville TX LWVLTXXADS0  552      
972-438 A Irving TX IRNGTXXCDS0  552      
972-442 A Plano TX WYLITXXADS0  552      
972-445 A Irving EMS TX IRNGTXXCDS0  552      
972-445 0 Irving EMS TX IRNGTXXCDS0  552      
972-445 1 Irving EMS TX IRNGTXXCDS0  552      
972-445 2 Irving EMS TX IRNGTXXCDS0  552      
972-445 3 Irving EMS TX IRNGTXXCDS0  552      
972-445 4 Irving EMS TX IRNGTXXCDS0  552      
972-445 5 Irving EMS TX IRNGTXXCDS0  552      
972-445 6 Irving EMS TX IRNGTXXCDS0  552      
972-445 8 Irving EMS TX IRNGTXXCDS0  552      
972-446 A Carrollton TX CRTNTXXADS0  552      
972-453 A Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 0 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 2 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 3 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 4 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 5 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 6 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 7 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 8 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 9 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-456 A Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 0 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 1 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 2 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 3 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 4 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 5 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 6 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 7 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 8 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-459 A Lewisville TX LWVLTXXEDS0  552      
972-459 0 Lewisville TX LWVLTXXEDS0  552      
972-459 1 Lewisville TX LWVLTXXEDS0  552      
972-459 2 Lewisville TX LWVLTXXEDS0  552      
972-459 3 Lewisville TX LWVLTXXEDS0  552      
972-459 4 Lewisville TX LWVLTXXEDS0  552      
972-459 5 Lewisville TX LWVLTXXEDS0  552      
972-459 6 Lewisville TX LWVLTXXEDS0  552      
972-459 7 Lewisville TX LWVLTXXEDS0  552      
972-459 9 Lewisville TX LWVLTXXEDS0  552      
972-461 A Plano TX PLANTXXADS1  552      
972-462 A Lewisville TX LWVLTXXBDS0  552      
972-462 0 Lewisville TX LWVLTXXBDS0  552      
972-462 1 Lewisville TX LWVLTXXBDS0  552      
972-462 2 Lewisville TX LWVLTXXBDS0  552      

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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