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Fort Worth, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-378 3 FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-378 4 RCSNTXHVBMD  516C AT&T CORP. 552   2006-07-07   
817-378 5 FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-378 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-05-25   
817-378 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-378 8 FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-378 9 FTWOTXMADS0  9533 SOUTHWESTERN BELL 552      
817-384 A DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
817-384 0 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 1 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 2 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 3 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 4 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 5 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 6 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 7 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 8 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-384 9 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2022-10-15   
817-386 A   792K CHARTER IP ENABLED SERVICES, LLC 552      
817-386 0   792K CHARTER IP ENABLED SERVICES, LLC 552   2007-06-02   
817-386 1 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2019-07-29   
817-386 2   792K CHARTER IP ENABLED SERVICES, LLC 552   2006-10-10   
817-386 3   792K CHARTER IP ENABLED SERVICES, LLC 552   2006-11-16   
817-386 4   792K CHARTER IP ENABLED SERVICES, LLC 552   2006-12-07   
817-386 5   792K CHARTER IP ENABLED SERVICES, LLC 552   2007-01-15   
817-386 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-30   
817-386 7   792K CHARTER IP ENABLED SERVICES, LLC 552   2007-03-02   
817-386 8 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
817-386 9   792K CHARTER IP ENABLED SERVICES, LLC 552   2007-07-13   
817-387 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-390 A FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2010-02-28   
817-390 1 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 2 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 3 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 4 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 5 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 6 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 7 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 8 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-390 9 FTWOTXEDDS5  9533 SOUTHWESTERN BELL 552      
817-392 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-413 A FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 0 FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 1 DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2013-03-08   
817-413 2 FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 3 FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 4 FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 5 FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-413 6 FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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