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Berlin, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-208 A OCPNMDCRRS1  9212 VERIZON MARYLAND, INC. 242      
410-208 0   9212 VERIZON MARYLAND, INC. 242      
410-208 1   9212 VERIZON MARYLAND, INC. 242      
410-208 2   9212 VERIZON MARYLAND, INC. 242      
410-208 3   9212 VERIZON MARYLAND, INC. 242      
410-208 4   9212 VERIZON MARYLAND, INC. 242      
410-208 5   876D ONVOY, LLC - MD 242   2020-08-09   
410-208 6   9212 VERIZON MARYLAND, INC. 242      
410-208 7   876D ONVOY, LLC - MD 242   2020-06-04   
410-208 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2011-06-17   
410-208 9   9212 VERIZON MARYLAND, INC. 242      
410-600 A ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
410-600 0   861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD 242   2006-08-11   
410-600 1   829J PAETEC ITEL, LLC 242   2014-09-04   
410-600 2   861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD 242   2019-07-13   
410-600 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2009-03-02   
410-600 4   861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD 242   2017-07-02   
410-600 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2007-11-16   
410-600 6   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2014-10-20   
410-600 7   876D ONVOY, LLC - MD 242   2017-04-13   
410-600 8   073H TELNYX LLC 242   2017-09-13   
410-600 9   876D ONVOY, LLC - MD 242   2024-04-21   
410-629 A BRLNMDBLRS1  9212 VERIZON MARYLAND, INC. 242      
410-629 0   9212 VERIZON MARYLAND, INC. 242      
410-629 1   9212 VERIZON MARYLAND, INC. 242      
410-629 2   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-24   
410-629 3   2593 CORE COMMUNICATIONS, INC.- MD 242   2004-04-02   
410-629 4   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
410-629 5   281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
410-629 6   9212 VERIZON MARYLAND, INC. 242   2004-10-06   
410-629 7   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
410-629 8   281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
410-629 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2005-03-24   
410-641 A BRLNMDBLRS1  9212 VERIZON MARYLAND, INC. 242      
410-973 A SLBRMDSBXWX  861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD 242      
410-973 0   876D ONVOY, LLC - MD 242   2024-05-20   
410-973 1   861F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD 242   2010-08-21   
410-973 2   318J COMCAST IP PHONE, LLC 242   2013-05-30   
410-973 3   876D ONVOY, LLC - MD 242   2024-06-23   
410-973 4   568G PEERLESS NETWORK OF MARYLAND, LLC 242   2018-03-11   
410-973 5   145J TERRA NOVA TELECOM INC. 242   2025-05-07   
410-973 6   876D ONVOY, LLC - MD 242   2019-03-04   
410-973 7   876D ONVOY, LLC - MD 242   2019-03-04   
410-973 8   145J TERRA NOVA TELECOM INC. 242   2026-01-04   
410-973 9   145J TERRA NOVA TELECOM INC. 242   2024-09-13   
443-513 A SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-513 2   876D ONVOY, LLC - MD 242   2020-08-09   
443-513 3   318J COMCAST IP PHONE, LLC 242   2017-07-26   
443-513 4   318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-513 5   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
443-513 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2006-09-18   
443-513 7   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
443-513 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2012-02-23   
443-513 9   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
443-728 A   829J PAETEC ITEL, LLC 242   2025-04-01   
443-728 0   145J TERRA NOVA TELECOM INC. 242   2024-02-15   
443-728 1   829J PAETEC ITEL, LLC 242      
443-728 2   829J PAETEC ITEL, LLC 242      
443-728 3   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
443-728 4   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
443-728 5   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
443-728 6   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
443-728 7   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
443-728 8   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-19   
667-288 A SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
667-288 0   568G PEERLESS NETWORK OF MARYLAND, LLC 242   2020-10-30   
667-288 1   318J COMCAST IP PHONE, LLC 242   2021-02-26   
667-288 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2020-10-29   
667-288 3   318J COMCAST IP PHONE, LLC 242   2021-02-26   
667-288 4   876D ONVOY, LLC - MD 242   2022-10-16   
667-288 5   624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-288 6   876D ONVOY, LLC - MD 242   2021-03-05   
667-288 7   876D ONVOY, LLC - MD 242   2021-03-05   
667-288 9   568G PEERLESS NETWORK OF MARYLAND, LLC 242   2021-02-21   
667-827 A SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-827 0   939H COMMIO, LLC 242   2022-08-21   
667-827 1   876D ONVOY, LLC - MD 242   2023-08-10   
667-827 2   876D ONVOY, LLC - MD 242   2023-08-10   
667-827 3   876D ONVOY, LLC - MD 242   2023-08-10   
667-827 4   876D ONVOY, LLC - MD 242   2023-08-10   
667-827 5   876D ONVOY, LLC - MD 242   2023-08-10   
667-827 7   516J TON80 COMMUNICATIONS, LLC 242   2022-05-15   
667-827 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2025-12-24   
667-827 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2023-08-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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