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Washington Zone 13, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-886 3 CHCHMDBE1MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2006-05-05   
301-886 4   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 HRNDVACKAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236   2003-04-06   
301-901 A CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 0 VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 1 CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 2 CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 4 CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 6 CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-901 7 VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-10-15   
301-901 9 CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 A BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 0 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-12-03   
301-902 1 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 2 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 3 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 4 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-902 5 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-902 6 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-902 7 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2019-07-05   
301-902 8 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-902 9 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-923 A WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-923 0 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-12-08   
301-923 1 VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-12-14   
301-923 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-923 3   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-923 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-10-17   
301-923 5 BTVLMD12CMA  5562 METROPCS, INC. 236   2020-10-05   
301-923 6 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2025-01-04   
301-923 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-923 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-923 9 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-10-17   
301-931 A BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 0 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 1 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 2 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 3 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 4 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 5 HRNDVACKBMD  5977 BROADVIEW NETWORKS, INC. - DC 236   2014-06-09   
301-931 6 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 7 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 8 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-931 9 BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-935 A HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-935 0 HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-935 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-935 3   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-935 4 HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-935 5 HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-935 6 HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-935 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-935 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-935 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-937 A BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 A LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 0 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-04-19   
301-939 1 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 2 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 3 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 4 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 5 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 6 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 7 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-939 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-939 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-953 A LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-953 0 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-953 1 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-953 2 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-953 3 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-953 4 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-953 5 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-08   
301-953 7 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-953 8 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-953 9 LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-982 A CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-993 A CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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