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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-646 7 ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-646 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-01-05   
410-646 9   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-649 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 0 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 1 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 2 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 3 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 4 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 5 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 6 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 7 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 8 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-659 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-662 A BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 0 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 1 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-05-06   
410-662 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-10-02   
410-662 4 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 5 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 6 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 7 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 8 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-662 9 BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-664 A BLTMMDLBDS0  9212 VERIZON MARYLAND, INC. 238      
410-669 A BLTMMDMDDS0  9212 VERIZON MARYLAND, INC. 238      
410-675 A BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-685 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-706 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-710 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-710 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 4 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 6 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2006-01-21   
410-710 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-710 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-710 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-11-24   
410-727 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-728 A BLTMMDMDDS0  9212 VERIZON MARYLAND, INC. 238      
410-732 A BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-735 A HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-735 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-735 1 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-735 2 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-735 3 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-735 4 BLTMMDLBDS0  9212 VERIZON MARYLAND, INC. 238   2003-10-18   
410-735 5 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-735 6 BLTMMDLBDS0  9212 VERIZON MARYLAND, INC. 238   2003-09-26   
410-735 7 BLTMMDLBDS0  9212 VERIZON MARYLAND, INC. 238   2003-09-26   
410-735 8 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-735 9 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-736 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-736 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 1 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 3 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 4 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-736 5 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-736 6 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-736 7 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-736 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-736 9 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-02   
410-743 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-746 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-752 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-759 A ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-759 0 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-759 1 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-759 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-759 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-759 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-759 5   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-759 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-759 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
410-759 8 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2016-12-24   
410-759 9 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-15   
410-764 A PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-767 A BLTMMDMDDS0  9212 VERIZON MARYLAND, INC. 238      
410-779 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-779 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-779 1 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-779 2 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-779 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-779 4   829J PAETEC ITEL, LLC 238   2010-01-15   
410-779 5 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-779 6 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-779 7 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-779 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-07   
410-779 9 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-03-29   
410-783 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-800 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-800 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2004-11-26   
410-800 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-06-19   
410-800 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-800 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-11-07   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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