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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
410-705 7 Waterloo (Washington DC LATA) MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-10-17   
410-705 8 Waterloo (Washington DC LATA) MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2007-07-28   
410-705 9 Waterloo (Washington DC LATA) MD   515J IP HORIZON LLC 236   2015-03-21   
410-706 A Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-707 A Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-708 A Chestertown MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-709 A Sparrows Point MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-709 0 Sparrows Point MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
410-709 1 Sparrows Point MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-09-22   
410-709 2 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
410-709 3 Sparrows Point MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
410-709 4 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-08   
410-709 5 Sparrows Point MD   829J PAETEC ITEL, LLC 238   2008-10-14   
410-709 6 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-24   
410-709 7 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-24   
410-709 8 Sparrows Point MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-709 9 Sparrows Point MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-710 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-710 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-07   
410-710 6 Baltimore MD   829J PAETEC ITEL, LLC 238   2006-01-21   
410-710 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-710 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-02-03   
410-710 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-11-24   
410-712 A Elkridge MD EKRGMDPKRS0  9212 VERIZON MARYLAND, INC. 238      
410-713 A Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
410-713 0 Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2003-04-08   
410-713 1 Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2003-04-08   
410-713 2 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2004-06-03   
410-713 3 Salisbury MD SLBRMDSBDS1  9212 VERIZON MARYLAND, INC. 242   2003-11-13   
410-713 4 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2002-09-14   
410-713 5 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2004-07-02   
410-713 6 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2004-02-17   
410-713 7 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2004-02-17   
410-713 8 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2005-07-02   
410-713 9 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2004-07-02   
410-714 A Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-714 0 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-714 1 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-714 2 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-714 3 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-714 4 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-714 5 Easton MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-22   
410-714 6 Easton MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-22   
410-714 7 Easton MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-22   
410-714 8 Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2020-08-18   
410-714 9 Easton MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-715 A Columbia MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-716 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-716 0 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-716 1 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-716 2 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-716 3 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-716 4 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-716 5 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-716 6 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-716 7 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-716 9 Towson MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2024-10-23   
410-717 A Elkridge MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-717 0 Elkridge MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-717 1 Elkridge MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-717 2 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-09-19   
410-717 3 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-09-19   
410-717 4 Elkridge MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-717 5 Elkridge MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-09-19   
410-717 6 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2009-12-27   
410-717 7 Elkridge MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-717 8 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2009-12-27   
410-717 9 Elkridge MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-718 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 0 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 1 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 2 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 3 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 4 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 5 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 6 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 7 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 8 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-718 9 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-719 A Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
410-720 A Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 0 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 1 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 2 Ellicott City MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-07-30   
410-720 3 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 4 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 5 Ellicott City MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-720 6 Ellicott City MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-720 7 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 8 Ellicott City MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
410-720 9 Ellicott City MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
410-721 A Crofton MD COTNMDCRDS0  9212 VERIZON MARYLAND, INC. 238      
410-722 A Waterloo (Washington DC LATA) MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
410-723 A Ocean City MD OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-724 A Waterloo (Washington DC LATA) MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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