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Cambridge, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-221 A CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-228 A CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-330 A SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 0 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 1 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 2 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 3 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 4 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 5 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 6 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-330 7 SLBRMDSCXMD  5562 METROPCS, INC. 242   2003-02-10   
410-330 8 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2002-12-18   
410-330 9 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-901 A CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 0 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 1 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 2 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 3 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2015-08-12   
410-901 4 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 5 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 6 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 7 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2005-02-17   
410-901 8 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
410-901 9 CMBRMDCMDS0  9212 VERIZON MARYLAND, INC. 242      
443-205 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-205 0 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2004-06-03   
443-205 1 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2013-09-16   
443-205 2 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2006-08-07   
443-205 3 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2005-07-22   
443-205 4 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2004-07-16   
443-205 5 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2004-03-18   
443-205 6 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-03-02   
443-205 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-04-04   
443-205 8   145J TERRA NOVA TELECOM INC. 242   2022-11-07   
443-205 9 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-05-03   
443-225 A SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-225 0 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2020-09-09   
443-225 1 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-05-03   
443-225 2 SLBRMDSCXMD  5562 METROPCS, INC. 242   2010-07-20   
443-225 3 SLBRMD906MD  145J TERRA NOVA TELECOM INC. 242   2024-05-20   
443-225 4 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2007-12-04   
443-225 5 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-225 6 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2007-09-20   
443-225 7 ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2009-03-02   
443-225 8 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2006-08-24   
443-225 9 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2004-03-15   
443-382 A SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
443-477 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-477 0 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-03-09   
443-477 1 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-09-21   
443-477 2 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-01-14   
443-477 3 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-03-03   
443-477 4 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2008-08-01   
443-477 5 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2017-11-24   
443-477 6 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2009-03-19   
443-477 7 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2007-08-02   
443-477 8 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2011-08-23   
443-477 9 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2014-02-11   
443-515 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-515 0 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2009-08-07   
443-515 1 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2010-08-21   
443-515 2 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2011-08-25   
443-515 3 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2011-08-25   
443-515 4 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-02-03   
443-515 5   829J PAETEC ITEL, LLC 242   2010-06-27   
443-515 6 SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2012-07-13   
443-515 7 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2015-04-12   
443-515 8 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2015-04-12   
443-515 9 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2014-11-08   
443-521 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 0 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 1 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 2 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 3 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 4 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 5 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 6 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 7 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-521 8   145J TERRA NOVA TELECOM INC. 242   2023-04-29   
443-521 9 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-972 A   829J PAETEC ITEL, LLC 242   2025-04-01   
443-972 0 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2016-04-12   
443-972 1 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2016-04-12   
443-972 2   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
443-972 3 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2022-09-13   
443-972 4   829J PAETEC ITEL, LLC 242   2012-08-15   
443-972 5 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-04-13   
443-972 6   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
443-972 7 ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242   2018-01-14   
443-972 8 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2021-03-08   
443-972 9 SLBRMD902MD  073H TELNYX LLC 242   2017-10-19   
667-327 A SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-327 0 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-327 1 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-327 2 SLBRMDSCXMD  5562 METROPCS, INC. 242   2021-05-18   
667-327 3 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-327 4 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-327 5 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-327 6 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-17   
667-327 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   

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

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