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Fort Worth, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-441 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2010-02-28   
817-441 1 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-441 2 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-441 3 DLLTTXID1MD  5562 METROPCS, INC. 552   2010-02-28   
817-441 4 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-441 5 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-441 6 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-441 7 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-441 8 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-441 9 FTWOTXALRS0  9533 SOUTHWESTERN BELL 552      
817-443 A FTWOTXBBDS0  9533 SOUTHWESTERN BELL 552      
817-443 0 FTWOTXBBDS0  9533 SOUTHWESTERN BELL 552      
817-443 1 DLLTTXID1MD  5562 METROPCS, INC. 552   2008-03-09   
817-443 2 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-443 3 FTWOTXBBDS0  9533 SOUTHWESTERN BELL 552      
817-443 4 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-443 5 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-443 6 FTWOTXBBDS0  9533 SOUTHWESTERN BELL 552      
817-443 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-05-25   
817-443 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-443 9 FTWOTXBBDS0  9533 SOUTHWESTERN BELL 552      
817-447 A FTWOTXBNDS0  9533 SOUTHWESTERN BELL 552      
817-448 A FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-448 0 FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-448 1 DLLTTXID1MD  5562 METROPCS, INC. 552   2008-03-09   
817-448 2 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-448 3 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-448 4 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-448 5 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-448 6 FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-448 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2007-02-09   
817-448 8 FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-448 9 FTWOTXCIDS0  9533 SOUTHWESTERN BELL 552      
817-450 A   490J BOOST SUBSCRIBERCO L.L.C. 552   2025-07-17   
817-450 0   490J BOOST SUBSCRIBERCO L.L.C. 552   2025-07-17   
817-450 1   490J BOOST SUBSCRIBERCO L.L.C. 552   2025-10-17   
817-450 2   490J BOOST SUBSCRIBERCO L.L.C. 552   2025-11-05   
817-450 3   6529 T-MOBILE USA, INC. 552   2025-07-18   
817-450 4   6529 T-MOBILE USA, INC. 552   2025-07-18   
817-450 5   6529 T-MOBILE USA, INC. 552   2025-08-19   
817-450 6   732J NUSO, LLC 552   2025-07-18   
817-450 7   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2025-08-24   
817-450 8   732J NUSO, LLC 552   2025-07-18   
817-463 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-484 A BLSNTXBNDS0  8253 PATHWAY COM-TEL, INC. - TX 552      
817-484 0 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-02-03   
817-484 1 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-02-03   
817-484 2 BLSNTXBNDS0  8253 PATHWAY COM-TEL, INC. - TX 552      
817-484 3 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-02-03   
817-484 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-09-24   

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

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