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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-981 4 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 5 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 6 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 7 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 8 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-981 9 Glen Burnie MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-08-10   
410-982 A Baltimore MD BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      
410-982 0 Baltimore MD   2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-04   
410-982 1 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-12-09   
410-982 2 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-12-09   
410-982 3 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-12-09   
410-982 4 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-01-10   
410-982 5 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-01-10   
410-982 6 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-01-01   
410-982 7 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-21   
410-982 8 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-21   
410-982 9 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-21   
410-983 A Fork MD CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-983 0 Fork MD   9212 VERIZON MARYLAND, INC. 238      
410-983 1 Fork MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-11-04   
410-983 3 Fork MD   876D ONVOY, LLC - MD 238   2014-09-27   
410-983 6 Fork MD   876D ONVOY, LLC - MD 238   2014-09-27   
410-983 9 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
410-984 A Sykesville MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 0 Sykesville MD   5562 METROPCS, INC. 238      
410-984 1 Sykesville MD   5562 METROPCS, INC. 238      
410-984 2 Sykesville MD   5562 METROPCS, INC. 238      
410-984 3 Sykesville MD   5562 METROPCS, INC. 238      
410-984 4 Sykesville MD   5562 METROPCS, INC. 238      
410-984 5 Sykesville MD   5562 METROPCS, INC. 238      
410-984 6 Sykesville MD   5562 METROPCS, INC. 238      
410-984 7 Sykesville MD   5562 METROPCS, INC. 238      
410-984 8 Sykesville MD   5562 METROPCS, INC. 238      
410-984 9 Sykesville MD   5562 METROPCS, INC. 238      
410-985 A Waterloo (Washington DC LATA) MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236      
410-986 A Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-987 A Severn MD DRCRMDDCDS0  9212 VERIZON MARYLAND, INC. 238      
410-988 A Ellicott City MD CLVLMDCERP0  9212 VERIZON MARYLAND, INC. 238   2024-01-30   
410-988 0 Ellicott City MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-26   
410-988 1 Ellicott City MD   829J PAETEC ITEL, LLC 238   2005-03-10   
410-988 2 Ellicott City MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-09-10   
410-988 3 Ellicott City MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-09-10   
410-988 4 Ellicott City MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-09-10   
410-988 5 Ellicott City MD   318J COMCAST IP PHONE, LLC 238   2006-10-21   
410-988 6 Ellicott City MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-03   
410-988 7 Ellicott City MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-26   
410-988 8 Ellicott City MD   318J COMCAST IP PHONE, LLC 238   2015-11-25   
410-988 9 Ellicott City MD   9212 VERIZON MARYLAND, INC. 238      
410-989 A Fork MD CCVLMDCHRS0  9212 VERIZON MARYLAND, INC. 238      
410-989 0 Fork MD   9212 VERIZON MARYLAND, INC. 238      

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

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