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Gaithersburg, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-261 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-07-09   
240-261 9   515J IP HORIZON LLC 236   2016-05-31   
240-306 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-306 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-306 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-306 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-306 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-306 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-11-18   
240-306 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-09-19   
240-306 6   5562 METROPCS, INC. 236   2018-07-24   
240-306 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-10-22   
240-306 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-10-22   
240-306 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-327 A CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-361 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-361 0   829J PAETEC ITEL, LLC 236      
240-361 1   829J PAETEC ITEL, LLC 236      
240-361 2   829J PAETEC ITEL, LLC 236      
240-361 3   829J PAETEC ITEL, LLC 236      
240-361 4   829J PAETEC ITEL, LLC 236      
240-361 5   829J PAETEC ITEL, LLC 236      
240-361 6   829J PAETEC ITEL, LLC 236      
240-361 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-01-28   
240-361 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-01-28   
240-361 9   829J PAETEC ITEL, LLC 236      
240-364 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-364 0   829J PAETEC ITEL, LLC 236      
240-364 1   829J PAETEC ITEL, LLC 236      
240-364 2   829J PAETEC ITEL, LLC 236      
240-364 3   829J PAETEC ITEL, LLC 236      
240-364 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-10-17   
240-364 5   829J PAETEC ITEL, LLC 236      
240-364 6   829J PAETEC ITEL, LLC 236      
240-364 7   829J PAETEC ITEL, LLC 236      
240-364 8   829J PAETEC ITEL, LLC 236      
240-364 9   829J PAETEC ITEL, LLC 236      
240-372 A BTVLMD12CMA  5562 METROPCS, INC. 236      
240-372 0   5562 METROPCS, INC. 236      
240-372 1   5562 METROPCS, INC. 236      
240-372 2   5562 METROPCS, INC. 236      
240-372 3   5562 METROPCS, INC. 236      
240-372 4   5562 METROPCS, INC. 236      
240-372 5   5562 METROPCS, INC. 236      
240-372 6   5562 METROPCS, INC. 236      
240-372 7   5562 METROPCS, INC. 236      
240-372 8   5562 METROPCS, INC. 236      
240-372 9   5562 METROPCS, INC. 236      
240-388 A BTVLMD12CMA  5562 METROPCS, INC. 236      
240-388 0   5562 METROPCS, INC. 236   2003-05-14   
240-388 1   5562 METROPCS, INC. 236   2003-05-14   
240-388 2   5562 METROPCS, INC. 236   2003-08-17   
240-388 3   5562 METROPCS, INC. 236   2004-05-13   
240-388 4   5562 METROPCS, INC. 236   2004-05-13   
240-388 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-12-03   
240-388 6   5562 METROPCS, INC. 236   2002-12-24   
240-388 7   5562 METROPCS, INC. 236   2003-02-26   
240-388 8   5562 METROPCS, INC. 236   2003-02-26   
240-388 9   071F BANDWIDTH.COM CLEC, LLC - MD 236   2004-11-21   
240-404 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-404 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-404 1   9212 VERIZON MARYLAND, INC. 236   2002-07-01   
240-404 2   9212 VERIZON MARYLAND, INC. 236   2002-07-01   
240-404 3   9212 VERIZON MARYLAND, INC. 236   2002-07-01   
240-404 4   9212 VERIZON MARYLAND, INC. 236   2002-07-01   
240-404 5   9212 VERIZON MARYLAND, INC. 236   2002-07-01   
240-404 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-404 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-404 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2008-06-09   
240-404 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-449 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-449 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-11-24   
240-449 1   829J PAETEC ITEL, LLC 236   2005-09-03   
240-449 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-04-23   
240-449 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-05-07   
240-449 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-449 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-03-24   
240-449 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-03-24   
240-449 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-03-24   
240-449 8   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-05-07   
240-449 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-454 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-454 0   876D ONVOY, LLC - MD 236   2008-12-15   
240-454 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-06-15   
240-454 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-19   
240-454 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-454 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-04-01   
240-454 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-07   
240-454 6   829J PAETEC ITEL, LLC 236   2006-12-21   
240-454 7   829J PAETEC ITEL, LLC 236   2005-10-05   
240-454 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2006-08-12   
240-454 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2006-08-12   
240-474 A VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236      
240-474 0   876D ONVOY, LLC - MD 236   2016-03-04   
240-474 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-07-20   
240-474 4   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-07-13   
240-474 5   318J COMCAST IP PHONE, LLC 236   2015-09-30   
240-474 6   5562 METROPCS, INC. 236   2015-12-10   
240-474 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-10-16   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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