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Washington Zone 13, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-701 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-701 2   876D ONVOY, LLC - MD 236   2020-12-03   
301-701 3   876D ONVOY, LLC - MD 236   2020-12-03   
301-701 4   876D ONVOY, LLC - MD 236   2020-12-03   
301-701 5   876D ONVOY, LLC - MD 236   2020-12-03   
301-701 6   197D VONAGE AMERICA LLC 236   2020-05-20   
301-701 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-701 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-701 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-716 A MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-796 A BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-823 A WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-823 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-823 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-823 2   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-10-10   
301-823 3   2697 CTC COMMUNICATIONS CORP. - MD 236   2012-11-21   
301-823 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-06-16   
301-823 5   197D VONAGE AMERICA LLC 236   2020-05-20   
301-823 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-823 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-823 8   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-823 9   624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-837 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-837 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-837 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-837 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-837 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-837 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-10-28   
301-837 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-837 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-10-28   
301-837 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-10-28   
301-837 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-03-14   
301-837 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-886 A LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-886 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-886 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-886 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-886 3   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2006-05-05   
301-886 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-886 5   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-886 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-886 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-886 8   1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236   2003-04-06   
301-886 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-15   
301-901 A CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-901 1   9212 VERIZON MARYLAND, INC. 236      
301-901 2   9212 VERIZON MARYLAND, INC. 236      
301-901 3   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-901 4   9212 VERIZON MARYLAND, INC. 236      

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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