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Washington Zone 10, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-408 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-408 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-12-03   
240-408 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-03-15   
240-408 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-06   
240-408 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-10   
240-421 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-421 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-421 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-421 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-421 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-08-01   
240-421 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-15   
240-421 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-10-09   
240-421 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-421 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-17   
240-421 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-07-17   
240-421 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-428 A WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-428 0   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-07-15   
240-428 1   318J COMCAST IP PHONE, LLC 236   2011-02-13   
240-428 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-04-16   
240-428 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-12   
240-428 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-12   
240-428 5   5562 METROPCS, INC. 236   2013-08-20   
240-428 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-09-24   
240-428 7   071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-20   
240-428 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-03-06   
240-428 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2013-06-05   
240-447 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-453 A RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
240-453 0   9212 VERIZON MARYLAND, INC. 236      
240-453 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-01-17   
240-453 2   9212 VERIZON MARYLAND, INC. 236      
240-453 3   9212 VERIZON MARYLAND, INC. 236      
240-453 4   876D ONVOY, LLC - MD 236   2014-10-27   
240-453 5   9212 VERIZON MARYLAND, INC. 236      
240-453 6   9212 VERIZON MARYLAND, INC. 236      
240-453 7   9212 VERIZON MARYLAND, INC. 236      
240-453 8   9212 VERIZON MARYLAND, INC. 236      
240-453 9   9212 VERIZON MARYLAND, INC. 236      
240-499 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-499 0   829J PAETEC ITEL, LLC 236      
240-499 1   829J PAETEC ITEL, LLC 236      
240-499 2   829J PAETEC ITEL, LLC 236      
240-499 3   829J PAETEC ITEL, LLC 236      
240-499 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-499 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-499 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-499 7   829J PAETEC ITEL, LLC 236      
240-499 8   318J COMCAST IP PHONE, LLC 236   2006-10-09   
240-499 9   829J PAETEC ITEL, LLC 236      
240-506 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-506 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-02-04   
240-506 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-02-04   
240-506 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-01-13   
240-550 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-550 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-550 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-05-17   
240-551 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-551 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 5   876D ONVOY, LLC - MD 236   2016-04-28   
240-551 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
240-551 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-03-01   
240-552 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-552 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-552 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-552 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-552 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-552 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
240-552 5   876D ONVOY, LLC - MD 236   2016-04-28   
240-552 6   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-552 7   876D ONVOY, LLC - MD 236   2011-04-12   
240-552 8   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2015-02-16   
240-552 9   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-567 A RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
240-567 0   9212 VERIZON MARYLAND, INC. 236   2006-08-26   
240-567 1   9212 VERIZON MARYLAND, INC. 236   2006-08-26   
240-567 2   9212 VERIZON MARYLAND, INC. 236   2006-08-26   
240-567 3   9212 VERIZON MARYLAND, INC. 236   2006-08-26   
240-567 4   9212 VERIZON MARYLAND, INC. 236   2006-08-26   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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