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Spring EMS, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-210 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 0 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 1 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 2 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 3 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 4 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-19   
281-210 5 HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 6 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-19   
281-210 7 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-11-19   
281-210 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-09-21   
281-210 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-01-29   
281-296 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 1 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 2 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 3 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2007-02-20   
281-296 4 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 5 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 6 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 7 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 8 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-296 9 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 1 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 2 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 3 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 4 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 5 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 6 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 7 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-297 8 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-10-29   
281-297 9 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-323 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-323 0 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-06   
281-323 1 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-06   
281-323 2 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-05-01   
281-323 3 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-08-28   
281-323 4 HSTNTX01X7X  516C AT&T CORP. 560   2006-07-07   
281-323 5 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-08-28   
281-323 6 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-323 7 SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-323 8 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-08-28   
281-323 9 HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-06   
281-350 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-353 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-355 A SPRNTXSODS0  9533 SOUTHWESTERN BELL 560      
281-362 A SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-362 0 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      
281-362 1 SPRNTXNODS0  9533 SOUTHWESTERN BELL 560      

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

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