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Washington Zone 14, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-383 0 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2012-11-03   
301-383 1 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-383 2 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-07-12   
301-383 3 BTVLMD12CMA  5562 METROPCS, INC. 236   2016-09-26   
301-383 4 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-03-25   
301-383 5 BTVLMD12CMA  5562 METROPCS, INC. 236   2016-11-25   
301-383 6 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-07-14   
301-383 7 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-11-22   
301-383 8 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-383 9 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-390 A UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 A UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 0 UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 1   515J IP HORIZON LLC 236   2016-05-31   
301-430 2 UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 3   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-430 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-430 5 UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 6 UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 7 UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 8 UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-464 A BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-470 A LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-470 1 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 2 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 3 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 4 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 5 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 6 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 7 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 8 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-470 9 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-666 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-666 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-666 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-666 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-12-14   
301-666 3 WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-666 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-666 5   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-666 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2012-08-26   
301-666 7 WASIDCRG7MD  508J CENTURYLINK COMMUNICATIONS, LLC 236   2014-04-02   
301-666 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-666 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-677 A WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-756 A LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 0 LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 1 WASHDC127MD  073H TELNYX LLC 236   2017-03-14   
301-756 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-756 3 LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 4 LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
301-756 6 BTVLMD12CMA  5562 METROPCS, INC. 236   2017-08-04   
301-756 7 LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 8 LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 9 LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-794 A LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 0 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 1 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-794 3 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 4 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 5 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 6 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 7 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 8 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-794 9 LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-805 A BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 A BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 0 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 1 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 2 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 3 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 4 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 5 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 6 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 7 BTVLMD12CMA  5562 METROPCS, INC. 236   2019-06-17   
301-809 8 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-809 9 BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-833 A WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-833 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-833 1 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 2 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 3 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 4 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 5 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 6 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 7 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 8 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 9 WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-850 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-850 0 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-04-27   
301-850 1 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-19   
301-850 2 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-19   
301-850 3 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-04-19   
301-850 4 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2002-06-04   
301-850 5 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-10-04   
301-850 6 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-04-21   
301-850 7 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-08-10   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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