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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
410-491 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 0 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 1 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 2 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 3 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 4 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 5 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 6 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 7 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 8 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 9 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-492 A Towson MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-493 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-494 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-495 A Prince Frederick MD MUTLMDMTRS0  9212 VERIZON MARYLAND, INC. 238      
410-496 A Randallstown MD RNTWMDRARP0  9212 VERIZON MARYLAND, INC. 238      
410-497 A Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-497 0 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-497 1 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2007-04-20   
410-497 2 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-08-18   
410-497 3 Parkville MD   829J PAETEC ITEL, LLC 238   2006-04-01   
410-497 4 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2009-02-12   
410-497 5 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-08-08   
410-497 6 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-04-18   
410-497 7 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-497 8 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
410-497 9 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2012-12-07   
410-498 A Cockeysville MD   829J PAETEC ITEL, LLC 238   2025-04-01   
410-498 0 Cockeysville MD   829J PAETEC ITEL, LLC 238      
410-498 1 Cockeysville MD   829J PAETEC ITEL, LLC 238      
410-498 2 Cockeysville MD   829J PAETEC ITEL, LLC 238      
410-498 3 Cockeysville MD   829J PAETEC ITEL, LLC 238      
410-498 4 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-04   
410-498 5 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 6 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 7 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 8 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 9 Cockeysville MD   829J PAETEC ITEL, LLC 238      
410-499 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-500 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-500 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-07   
410-500 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-07   
410-500 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-07   
410-500 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-04-07   
410-500 4 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-05-25   
410-500 5 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-05-25   
410-500 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-07-14   
410-500 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-07-14   
410-500 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-07-14   
410-500 9 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-26   
410-501 A Arbutus MD   829J PAETEC ITEL, LLC 238   2025-04-01   
410-501 0 Arbutus MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
410-501 1 Arbutus MD   829J PAETEC ITEL, LLC 238   2005-07-30   
410-501 2 Arbutus MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
410-501 3 Arbutus MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-20   
410-501 4 Arbutus MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
410-501 5 Arbutus MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-12-23   
410-501 6 Arbutus MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-12-23   
410-501 7 Arbutus MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
410-501 8 Arbutus MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
410-501 9 Arbutus MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
410-502 A Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-503 A Elkridge MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-504 A Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-504 0 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-504 1 Pikesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-10-23   
410-504 2 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-04   
410-504 3 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-04   
410-504 4 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-04   
410-504 5 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-07-25   
410-504 6 Pikesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-10-23   
410-504 7 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-14   
410-504 8 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-504 9 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-05-10   
410-505 A Ellicott City MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-505 0 Ellicott City MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2015-10-15   
410-505 1 Ellicott City MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
410-505 2 Ellicott City MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238   2003-03-06   
410-505 3 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
410-505 4 Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   

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

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