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Fort Worth, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-834 9 DLLTTXID1MD  5562 METROPCS, INC. 552   2020-12-28   
817-838 A FTWOTXTEDS0  9533 SOUTHWESTERN BELL 552      
817-840 A DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-840 0 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-840 1 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-840 2 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-840 3 DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2010-04-02   
817-840 4 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2012-11-16   
817-840 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-07-10   
817-840 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2009-07-10   
817-840 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-12-16   
817-840 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2012-02-23   
817-840 9 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-841 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-841 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-02-19   
817-841 1   515J IP HORIZON LLC 552   2013-05-05   
817-841 2 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-02-19   
817-841 3 FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-841 4 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 5 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-841 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-12-10   
817-841 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-01-20   
817-844 A   114J EXIANT COMMUNICATIONS LLC 552      
817-847 A FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-850 A FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 A FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 0 FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 1 FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 2 FTWOTXTEDS0  9533 SOUTHWESTERN BELL 552      
817-852 3 FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 4 FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 5 DLLTTXID1MD  5562 METROPCS, INC. 552   2010-02-28   
817-852 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-11-10   
817-852 7 FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 8 FTWOTXEDDS0  9533 SOUTHWESTERN BELL 552      
817-852 9 DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-02   
817-862 A FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-862 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-862 1 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-862 2 FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-862 3 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-862 4 FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-862 5 FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-862 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2009-03-05   
817-862 7 RCSNTXHVBMD  516C AT&T CORP. 552   2011-01-10   
817-862 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2012-02-23   
817-862 9   792K CHARTER IP ENABLED SERVICES, LLC 552   2013-09-16   
817-867 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      

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

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