Local Calling Guide

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Washington Zone 16, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-897 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-897 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-897 8 WASHDC127MD  073H TELNYX LLC 236   2017-04-27   
240-897 9 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-949 A WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-949 0 WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-949 1 VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-06-11   
240-949 2 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-949 3 WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-949 4 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-08-23   
240-949 5 WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-949 6 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
240-949 7 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-05-05   
240-949 8 WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-949 9 WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-966 A ARTNVAARXJY  516J TON80 COMMUNICATIONS, LLC 236   2024-01-31   
240-966 0 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-966 1 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-966 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-07-19   
240-966 3 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-07-19   
240-966 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
240-966 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
240-966 6 ARTNVAARXJY  516J TON80 COMMUNICATIONS, LLC 236   2022-04-30   
240-966 7 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-06-15   
240-966 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-08-10   
240-966 9 WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2023-02-27   
301-234 A ALTWMDATRP0  9212 VERIZON MARYLAND, INC. 236      
301-234 0 ALTWMDATRP0  9212 VERIZON MARYLAND, INC. 236      
301-234 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-22   
301-234 2 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-12-09   
301-234 3 HRNDVACKBMD  5978 BROADVIEW NETWORKS OF VIRGINIA, INC. - VA 236   2017-10-06   
301-234 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-234 5   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-22   
301-234 6 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-05-16   
301-234 7 VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-09-13   
301-234 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-09-13   
301-234 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-22   
301-235 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-235 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-235 1 VINNVACBDS0  876D ONVOY, LLC - MD 236   2019-02-19   
301-235 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2018-06-08   
301-235 3 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-09-02   
301-235 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-235 5 WASHDC126MD  964H BARR TELL USA, INC. 236   2018-05-08   
301-235 6 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-22   
301-235 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-235 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2019-02-19   
301-235 9 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-238 A TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-238 0 TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236   2001-12-21   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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