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Gaithersburg, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-848 7   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-16   
240-848 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-02-10   
240-848 9   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2011-10-04   
240-912 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-912 0   829J PAETEC ITEL, LLC 236      
240-912 1   829J PAETEC ITEL, LLC 236      
240-912 2   829J PAETEC ITEL, LLC 236      
240-912 3   829J PAETEC ITEL, LLC 236      
240-912 4   318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 5   318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 6   318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 7   318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 8   829J PAETEC ITEL, LLC 236      
240-912 9   318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-937 A WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-937 0   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-24   
240-937 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-24   
240-937 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-24   
240-937 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-24   
240-937 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-24   
240-937 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-24   
240-937 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-25   
240-937 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-18   
240-937 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-11-06   
240-937 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-07   
240-981 A WASHDC093MD  732J NUSO, LLC 236      
240-981 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-09-02   
240-981 1   732J NUSO, LLC 236   2023-04-03   
240-981 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-09-02   
240-981 3   490J DISH WIRELESS, LLC 236   2024-01-21   
240-981 4   876D ONVOY, LLC - MD 236   2023-09-14   
240-981 5   876D ONVOY, LLC - MD 236   2023-09-14   
240-981 6   876D ONVOY, LLC - MD 236   2023-09-14   
240-981 7   876D ONVOY, LLC - MD 236   2023-09-14   
240-981 8   876D ONVOY, LLC - MD 236   2023-09-14   
240-981 9   876D ONVOY, LLC - MD 236   2023-09-14   
240-982 A VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-982 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-22   
240-982 1   939H COMMIO, LLC 236   2023-12-21   
240-982 2   876D ONVOY, LLC - MD 236   2023-03-20   
240-982 3   876D ONVOY, LLC - MD 236   2023-03-20   
240-982 4   876D ONVOY, LLC - MD 236   2023-03-20   
240-982 5   876D ONVOY, LLC - MD 236   2023-05-18   
240-982 6   876D ONVOY, LLC - MD 236   2023-05-18   
240-982 7   939H COMMIO, LLC 236   2023-12-21   
240-982 8   624H ONVOY SPECTRUM, LLC 236   2024-07-06   
240-982 9   876D ONVOY, LLC - MD 236   2024-07-06   
301-208 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-216 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-250 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-250 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-08-29   
301-250 1   876D ONVOY, LLC - MD 236   2012-02-29   
301-250 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-250 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-08-08   
301-250 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-250 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-08-29   
301-250 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-08-29   
301-250 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-12-30   
301-250 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-08-29   
301-250 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-252 A BTVLMD12CMA  5562 METROPCS, INC. 236      
301-252 0   5562 METROPCS, INC. 236      
301-252 1   5562 METROPCS, INC. 236      
301-252 2   5562 METROPCS, INC. 236      
301-252 3   5562 METROPCS, INC. 236      
301-252 4   5562 METROPCS, INC. 236      
301-252 5   5562 METROPCS, INC. 236      
301-252 6   5562 METROPCS, INC. 236      
301-252 7   5562 METROPCS, INC. 236      
301-252 8   5562 METROPCS, INC. 236      
301-252 9   5562 METROPCS, INC. 236      
301-301 A VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-301 0   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 1   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 2   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 3   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 4   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 5   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 6   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 7   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 8   876D ONVOY, LLC - MD 236   2022-10-23   
301-301 9   876D ONVOY, LLC - MD 236   2022-10-23   
301-330 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-337 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-337 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-06-22   
301-337 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-06-14   
301-337 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-337 3   829J PAETEC ITEL, LLC 236   2011-03-08   
301-337 4   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-01   
301-337 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-11-01   
301-337 6   318J COMCAST IP PHONE, LLC 236   2013-07-19   
301-337 7   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-337 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-337 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-10-22   
301-355 A GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-355 0   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2009-10-12   
301-355 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2009-11-30   
301-355 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2011-01-22   
301-355 3   876D ONVOY, LLC - MD 236   2008-10-05   
301-355 4   318J COMCAST IP PHONE, LLC 236   2009-08-28   

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

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