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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-713 A Glen Burnie MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-713 0 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-01-31   
443-713 1 Glen Burnie MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-11-10   
443-713 2 Glen Burnie MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-11-10   
443-713 3 Glen Burnie MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-11-10   
443-713 4 Glen Burnie MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2013-01-04   
443-713 5 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-07-14   
443-713 6 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-01-31   
443-713 7 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-09-21   
443-713 8 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-09-21   
443-713 9 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-09-21   
443-714 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-714 0 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-02-23   
443-714 1 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-02-23   
443-714 2 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-714 3 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-714 4 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-714 5 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-29   
443-714 6 Annapolis MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-13   
443-714 7 Annapolis MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2024-09-17   
443-714 8 Annapolis MD   318J COMCAST IP PHONE, LLC 238   2013-05-12   
443-714 9 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-01-24   
443-715 A North East MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-715 0 North East MD   829J PAETEC ITEL, LLC 238      
443-715 1 North East MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
443-715 2 North East MD   318J COMCAST IP PHONE, LLC 238   2016-10-19   
443-715 3 North East MD   829J PAETEC ITEL, LLC 238      
443-715 4 North East MD   876D ONVOY, LLC - MD 238   2021-04-29   
443-715 5 North East MD   145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-715 6 North East MD   876D ONVOY, LLC - MD 238   2021-04-29   
443-715 7 North East MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-715 8 North East MD   876D ONVOY, LLC - MD 238   2025-09-28   
443-715 9 North East MD   145J TERRA NOVA TELECOM INC. 238   2024-09-12   
443-716 A Annapolis MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-716 0 Annapolis MD   829J PAETEC ITEL, LLC 238      
443-716 1 Annapolis MD   829J PAETEC ITEL, LLC 238      
443-716 2 Annapolis MD   829J PAETEC ITEL, LLC 238      
443-716 3 Annapolis MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2007-03-18   
443-716 4 Annapolis MD   829J PAETEC ITEL, LLC 238      
443-716 5 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-716 6 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-716 7 Annapolis MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-08-10   
443-716 8 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-07-23   
443-716 9 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-12-25   
443-717 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-717 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-05   
443-717 1 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-05   
443-717 2 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-07   
443-717 3 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-07   
443-717 4 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-07   

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

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