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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
410-646 9 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-647 A Severna Park MD SVPKMDSPDS0  9212 VERIZON MARYLAND, INC. 238      
410-648 A Galena MD GALNMDGLRS0  9212 VERIZON MARYLAND, INC. 242      
410-648 0 Galena MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2004-04-03   
410-648 1 Galena MD ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242   2006-05-21   
410-648 2 Galena MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2006-06-26   
410-648 3 Galena MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-05-23   
410-648 4 Galena MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2013-06-23   
410-648 5 Galena MD GALNMDGLRS0  9212 VERIZON MARYLAND, INC. 242      
410-648 6 Galena MD GALNMDGLRS0  9212 VERIZON MARYLAND, INC. 242      
410-648 7 Galena MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2006-07-31   
410-648 8 Galena MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2014-10-20   
410-648 9 Galena MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-04-13   
410-649 A Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 0 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 1 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 2 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 3 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 4 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 5 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 6 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 7 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 8 Baltimore MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-650 A Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-650 0 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-31   
410-650 1 Dundalk MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
410-650 2 Dundalk MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-650 3 Dundalk MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-650 4 Dundalk MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-08   
410-650 5 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2004-11-27   
410-650 6 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-10   
410-650 7 Dundalk MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238   2006-06-01   
410-650 8 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-31   
410-650 9 Dundalk MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-651 A Princess Anne MD PRANMDPARS1  9212 VERIZON MARYLAND, INC. 242      
410-652 A Bel Air MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-653 A Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-654 A Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238      
410-655 A Randallstown MD RNTWMDRADS0  9212 VERIZON MARYLAND, INC. 238      
410-656 A North East MD BLTMMDCH47Z  420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238      
410-656 0 North East MD BLTMMDCH47Z  420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238   2008-08-04   
410-656 1 North East MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-06-23   
410-656 2 North East MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-09   
410-656 3 North East MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2011-02-01   
410-656 4 North East MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-656 5 North East MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2009-05-08   
410-656 6 North East MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
410-656 7 North East MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-01-02   
410-656 8 North East MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-15   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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