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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-554 A Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-556 A Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
443-557 A Glen Burnie MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-558 A Aberdeen MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-559 A Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-560 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-561 A Elkridge MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-562 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-563 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-564 A Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-565 A Randallstown MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-566 A Chesapeake City MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-567 A Bel Air MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-568 A Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-569 A Annapolis MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-570 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-571 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-572 A Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
443-573 A Baltimore MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-574 A Ellicott City MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-575 A Arbutus MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-576 A Randallstown MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-577 A Glen Burnie MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-578 A Cockeysville MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238      
443-579 A Essex MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-580 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-581 A Chase MD   876D ONVOY, LLC - MD 238      
443-582 A Churchville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-583 A Columbia MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-584 A Crofton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-585 A Darlington MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-586 A Dundalk MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-587 A Edgewood MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-588 A Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-589 A Cockeysville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-590 A Reisterstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-591 A Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-592 A Elkridge MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-593 A Elkton MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-594 A Sparrows Point MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-595 A Sparks-Glencoe MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-596 A Essex MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-597 A Severna Park MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-598 A Sherwood Forest MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-599 A Severn MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-600 A Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-601 A Fallston MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-602 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-603 A Annapolis MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-604 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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