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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
443-758 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-759 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-760 A Aberdeen MD BLTMMDCHXAX  7421 AT&T - LOCAL 236      
443-761 A Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-762 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-763 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-764 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-765 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-766 A Columbia MD CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-767 A Worthington MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-768 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-769 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-770 A Armiger-Gibson Island MD ARMGMDARDS0  9212 VERIZON MARYLAND, INC. 238      
443-771 A Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-772 A Essex MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-773 A Brooklyn Park-Linthicum MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-774 A Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-775 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-776 A Elkridge MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-777 A Essex MD ESSXMDEXDS0  9212 VERIZON MARYLAND, INC. 238      
443-778 A Waterloo (Washington DC LATA) MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
443-779 A Aberdeen MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 236      
443-780 A Woodlawn MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-781 A Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-05   
443-782 A Annapolis MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238      
443-783 A Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-784 A Armiger-Gibson Island MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-785 A Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-786 A Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-787 A Bel Air MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-788 A Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
443-789 A Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-790 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-791 A Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-792 A Brooklyn Park-Linthicum MD BRKLMDBKDS0  9212 VERIZON MARYLAND, INC. 238      
443-793 A Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-794 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-795 A Severn MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-796 A Pikesville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 A Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-798 A Towson MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-799 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-800 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-801 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-802 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-803 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-804 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-805 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-806 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-807 A Fallston MD BLTMMDCH40Z  5562 METROPCS, INC. 238      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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