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Fort Worth, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-278 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-288 A DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 0 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 1 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 2 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 3 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 4 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 5 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 6 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 7 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 8 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-288 9 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
817-289 A DLLSTXHWDS0  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552      
817-292 A FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-293 A FTWOTXECDS0  9533 SOUTHWESTERN BELL 552      
817-294 A FTWOTXAXDS0  9533 SOUTHWESTERN BELL 552      
817-295 A FTWOTXBNDS0  9533 SOUTHWESTERN BELL 552      
817-297 A FTWOTXBYDS0  9533 SOUTHWESTERN BELL 552      
817-298 A FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-298 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-298 1 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-298 2 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-298 3 FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-298 4 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-298 5 FTWOTXPEDS0  9533 SOUTHWESTERN BELL 552      
817-298 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-298 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-298 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-298 9 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-302 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 0 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 1 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 2 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 4 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 5 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2011-03-24   
817-302 7 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 8 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-302 9 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-306 A FTWOTXCEDS0  9533 SOUTHWESTERN BELL 552      
817-314 A FTWOTXBURS2  9533 SOUTHWESTERN BELL 552      
817-315 A FTWOTXEDDS3  9533 SOUTHWESTERN BELL 552      
817-317 A FTWOTXCRRS2  9533 SOUTHWESTERN BELL 552      
817-317 0 FTWOTXCRRS2  9533 SOUTHWESTERN BELL 552      
817-317 1 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-03-17   
817-317 2 FTWOTXCRRS2  9533 SOUTHWESTERN BELL 552      
817-317 3 FTWOTXCRRS2  9533 SOUTHWESTERN BELL 552      
817-317 4 FTWOTXCRRS2  9533 SOUTHWESTERN BELL 552      
817-317 5 FTWOTXCRRS2  9533 SOUTHWESTERN BELL 552      

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

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