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Mechanicsville, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
227-368 A WASHDCSWFMD  530H WIDE VOICE, LLC - MD 236      
227-368 0   876D ONVOY, LLC - MD 236   2024-03-07   
227-368 1   876D ONVOY, LLC - MD 236   2025-10-12   
227-368 6   530H WIDE VOICE, LLC - MD 236   2023-10-21   
240-214 A WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-214 2   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-249 A WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-249 0   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-03   
240-249 1   829J PAETEC ITEL, LLC 236   2004-02-04   
240-249 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-06-25   
240-249 3   318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-249 4   876D ONVOY, LLC - MD 236   2016-03-14   
240-249 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-249 6   228C IDT AMERICA, CORP. - MD 236   2007-09-12   
240-249 7   876D ONVOY, LLC - MD 236   2016-03-14   
240-249 8   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-08-13   
240-249 9   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-282 A WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-282 0   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-282 1   876D ONVOY, LLC - MD 236   2025-05-10   
240-466 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-466 0   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-06-20   
240-466 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-466 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-05-23   
240-466 3   318J COMCAST IP PHONE, LLC 236   2015-03-22   
240-466 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-466 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-12-01   
240-466 6   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-25   
240-466 7   508J CENTURYLINK COMMUNICATIONS, LLC 236   2014-06-12   
240-466 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-466 9   876D ONVOY, LLC - MD 236   2015-06-27   
240-628 A CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-628 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-628 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-628 2   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-08-02   
240-628 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-01   
240-628 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-06-07   
240-628 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2019-07-18   
240-628 6   876D ONVOY, LLC - MD 236   2019-02-19   
240-628 7   876D ONVOY, LLC - MD 236   2018-09-13   
240-628 8   876D ONVOY, LLC - MD 236   2019-02-19   
240-628 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-08-27   
240-652 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-652 0   073H TELNYX LLC 236   2017-04-27   
240-652 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-652 2   876D ONVOY, LLC - MD 236   2012-09-13   
240-652 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-09-29   
240-652 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-652 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-652 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-652 7   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-10-26   
240-652 8   145J TERRA NOVA TELECOM INC. 236   2024-07-16   
240-652 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-697 A WASHDC12DS6  469J CORETEL MARYLAND, INC. - MD 236      
240-697 0   876D ONVOY, LLC - MD 236   2023-06-17   
240-697 1   624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-697 2   876D ONVOY, LLC - MD 236   2020-04-30   
240-697 3   876D ONVOY, LLC - MD 236   2020-04-30   
240-697 4   624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-697 5   876D ONVOY, LLC - MD 236   2025-01-06   
240-697 6   469J CORETEL MARYLAND, INC. - MD 236   2019-11-11   
240-697 7   876D ONVOY, LLC - MD 236   2021-03-04   
240-697 8   876D ONVOY, LLC - MD 236   2021-03-04   
240-697 9   624H ONVOY SPECTRUM, LLC 236   2021-12-11   
301-290 A MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-290 0   9212 VERIZON MARYLAND, INC. 236      
301-290 1   9212 VERIZON MARYLAND, INC. 236      
301-290 2   829J PAETEC ITEL, LLC 236   2011-01-28   
301-290 3   829J PAETEC ITEL, LLC 236   2004-03-27   
301-290 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-290 5   9212 VERIZON MARYLAND, INC. 236      
301-290 6   9212 VERIZON MARYLAND, INC. 236      
301-290 7   9212 VERIZON MARYLAND, INC. 236      
301-290 8   9212 VERIZON MARYLAND, INC. 236      
301-290 9   9212 VERIZON MARYLAND, INC. 236      
301-472 A MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      
301-884 A MCHVMDMCRS1  9212 VERIZON MARYLAND, INC. 236      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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