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Ellicott City, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-203 A ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-313 A ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-418 A ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-442 A GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 0 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 1 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 2 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 3 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 4 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 5 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 6 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-442 7 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 8 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-442 9 GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-461 A ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-465 A ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-480 A ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-505 A CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-505 0 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
410-505 1 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238      
410-505 2 CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-505 3   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-505 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-505 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-505 6 CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-505 7 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
410-505 8 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-505 9 BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
410-680 A BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-680 0 BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-680 1 BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-680 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-680 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-680 4 BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-680 5 BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-680 6 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
410-680 7 BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-680 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-680 9 BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-696 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-696 0   515J IP HORIZON LLC 238      
410-696 1 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-696 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-696 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-696 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-696 5 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-696 6 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      
410-696 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-696 8 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
410-696 9 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-720 A CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 0 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 1 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-720 3 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 4 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 5 CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-720 6 CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-720 7 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 8 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 9 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
410-748 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-750 A ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-781 A SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-781 0 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-781 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-781 2 BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
410-781 3   876D ONVOY, LLC - MD 238      
410-781 4 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-781 5 BLTQMD012MD  964H BARR TELL USA, INC. 238      
410-781 6 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-781 7 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-781 8 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
410-781 9   145J TERRA NOVA TELECOM INC. 238      
410-988 A CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238   2024-01-30   
410-988 0 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
410-988 1 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
410-988 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-988 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-988 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-988 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-988 6 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-988 7 BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
410-988 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-988 9 CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238      
410-995 A CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 0 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 1 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 2 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 3 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-995 4   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-995 5   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-995 6 CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-995 7 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-995 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-995 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-288 A BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 0 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 1 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 2 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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