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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
410-450 0 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 1 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 2 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 3 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-28   
410-450 4 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-08-12   
410-450 5 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 6 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 7 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 8 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 9 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-451 A Crofton MD COTNMDCRDS0  9212 VERIZON MARYLAND, INC. 238      
410-452 A Cardiff MD CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 0 Cardiff MD CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 1 Cardiff MD   829J PAETEC ITEL, LLC 238   2003-02-25   
410-452 2 Cardiff MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
410-452 3 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-04   
410-452 4 Cardiff MD BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
410-452 5 Cardiff MD CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 6 Cardiff MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-04   
410-452 7 Cardiff MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-01-02   
410-452 8 Cardiff MD CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-452 9 Cardiff MD CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-453 A Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 0 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 1 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-19   
410-453 2 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-453 3 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-453 4 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 5 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 6 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 7 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-453 8 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-19   
410-453 9 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-454 A Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-455 A Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
410-456 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-457 A Darlington MD DRTNMDDRRS0  9212 VERIZON MARYLAND, INC. 238      
410-457 0 Darlington MD DRTNMDDRRS0  9212 VERIZON MARYLAND, INC. 238      
410-457 1 Darlington MD   829J PAETEC ITEL, LLC 238   2003-02-25   
410-457 2 Darlington MD DRTNMDDRRS0  9212 VERIZON MARYLAND, INC. 238      
410-457 3 Darlington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
410-457 4 Darlington MD DRTNMDDRRS0  9212 VERIZON MARYLAND, INC. 238      
410-457 5 Darlington MD DRTNMDDRRS0  9212 VERIZON MARYLAND, INC. 238      
410-457 6 Darlington MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
410-457 7 Darlington MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
410-457 8 Darlington MD BLTMMDCH47Z  420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238   2008-09-08   
410-457 9 Darlington MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
410-458 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-459 A Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-460 A Elkridge MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-461 A Ellicott City MD ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-462 A Baltimore MD BLTMMDMDDS0  9212 VERIZON MARYLAND, INC. 238      
410-463 A Trappe MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 0 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 1 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 2 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 3 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 4 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 5 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 6 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 7 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 8 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 9 Trappe MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-464 A Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 0 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 1 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 2 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 3 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 4 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 5 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 6 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-464 7 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-02-21   
410-464 8 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-02-21   
410-464 9 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-465 A Ellicott City MD ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-466 A Baltimore MD BLTMMDLBDS0  9212 VERIZON MARYLAND, INC. 238      
410-467 A Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-468 A Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-469 A Baltimore MD ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-469 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-01   
410-469 1 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
410-469 2 Baltimore MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-469 3 Baltimore MD ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-469 4 Baltimore MD ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-469 5 Baltimore MD ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-469 6 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-07-20   
410-469 7 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-07-20   
410-469 8 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-02-23   
410-469 9 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-03-20   
410-470 A Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-470 0 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 1 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 2 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 3 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 4 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 5 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 6 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 7 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 8 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   
410-470 9 Baltimore MD BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238   2005-08-19   

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

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