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Aberdeen, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-272 A ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 A ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 0 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 1 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 2 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 3 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2016-04-03   
410-273 4 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 5 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 6 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 7 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 8 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 9 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-278 A ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 A ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-21   
410-297 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-02-06   
410-297 2 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 3 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 4 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 5 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 6 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-05-21   
410-297 8 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-297 9 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 A ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 0 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 1 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 2 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 3 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 4 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-05-20   
410-306 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236   2005-03-10   
410-306 7   829J PAETEC ITEL, LLC 236   2005-03-11   
410-306 8 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 9   829J PAETEC ITEL, LLC 236   2003-02-25   
443-303 A   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-303 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-07-24   
443-303 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-07-24   
443-303 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2004-11-22   
443-303 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 236   2007-04-15   
443-303 4   145J TERRA NOVA TELECOM INC. 236   2025-02-13   
443-303 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-303 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-303 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-02-11   
443-303 8 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-19   
443-303 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-06-06   
443-327 A   829J PAETEC ITEL, LLC 236   2025-04-01   
443-327 0   829J PAETEC ITEL, LLC 236      
443-327 1   829J PAETEC ITEL, LLC 236   2002-05-20   
443-327 2 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-10-13   
443-327 3 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-10-13   
443-327 4 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-10-13   
443-327 5 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-10-13   
443-327 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236   2006-09-18   
443-327 7 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236   2006-09-18   
443-327 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236   2005-07-25   
443-327 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-11   
443-345 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-345 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
443-345 1 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-05-14   
443-345 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-05-14   
443-345 3 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-03-13   
443-345 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-345 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2010-11-01   
443-345 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-345 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-07-11   
443-345 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-09-04   
443-345 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
443-360 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 236      
443-360 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-27   
443-360 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-360 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-10-06   
443-360 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2012-02-29   
443-360 4 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236   2008-01-17   
443-360 5 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-02   
443-360 6 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2008-01-31   
443-360 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-05   
443-360 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-09-05   
443-360 9 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 236      
443-374 A   829J PAETEC ITEL, LLC 236   2025-04-01   
443-374 0   829J PAETEC ITEL, LLC 236      
443-374 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 3   829J PAETEC ITEL, LLC 236      
443-374 4   829J PAETEC ITEL, LLC 236      
443-374 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 6   829J PAETEC ITEL, LLC 236      
443-374 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-08   
443-374 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-08   
443-374 9   829J PAETEC ITEL, LLC 236      
443-395 A ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
443-395 0 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 1 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 2 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 3 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 4 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 5 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 6 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 7 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   
443-395 8 ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236   2009-10-11   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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