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Fort Worth, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-413 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2020-12-28   
817-413 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2014-12-26   
817-413 9 FTWOTXJERP0  9533 SOUTHWESTERN BELL 552      
817-415 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-415 0 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2020-01-16   
817-415 1 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2020-01-16   
817-415 2 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2020-01-16   
817-415 3 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-02-13   
817-415 4 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-18   
817-415 5 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-18   
817-415 6 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-01-18   
817-415 7 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-415 8 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-02-13   
817-415 9 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-02-13   
817-420 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-420 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-09-15   
817-420 1 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-420 2 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-11-19   
817-420 3 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-04-12   
817-420 4 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-04-12   
817-420 5 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-420 6   792K CHARTER IP ENABLED SERVICES, LLC 552   2013-06-21   
817-420 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-02-22   
817-420 8 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-420 9   792K CHARTER IP ENABLED SERVICES, LLC 552   2007-10-01   
817-423 A FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-423 0 FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-423 1 FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-423 2 FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-423 3   6529 T-MOBILE USA, INC. 552   2025-02-24   
817-423 4 FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-423 5 FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-423 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-08-28   
817-423 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2006-08-28   
817-423 8 FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-423 9 FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-426 A FTWOTXBNDS0  9533 SOUTHWESTERN BELL 552      
817-433 A FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-439 A FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 0 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 1 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 2 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 3 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 4 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 5 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-05-04   
817-439 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-05-04   
817-439 8 FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-439 9   792K CHARTER IP ENABLED SERVICES, LLC 552   2013-08-16   
817-441 A FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      

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

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