Local Calling Guide

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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
410-648 1 Galena MD   228C IDT AMERICA CORP - MD 242   2006-05-21   
410-648 2 Galena MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2006-06-26   
410-648 3 Galena MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2016-02-15   
410-648 4 Galena MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2013-06-23   
410-648 5 Galena MD   9212 VERIZON MARYLAND, INC. 242      
410-648 6 Galena MD   9212 VERIZON MARYLAND, INC. 242      
410-648 7 Galena MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 242   2006-07-31   
410-648 8 Galena MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2014-10-20   
410-648 9 Galena MD   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   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 1 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 2 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 3 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 4 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 5 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 6 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 7 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 8 Baltimore MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 9 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2005-09-23   
410-650 A Dundalk MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
410-650 0 Dundalk MD   876D ONVOY, LLC - MD 238   2016-03-31   
410-650 1 Dundalk MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
410-650 2 Dundalk MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
410-650 3 Dundalk MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-650 4 Dundalk MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-08   
410-650 5 Dundalk MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2004-11-27   
410-650 6 Dundalk MD   876D ONVOY, LLC - MD 238   2016-03-10   
410-650 7 Dundalk MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238   2006-06-01   
410-650 8 Dundalk MD   876D ONVOY, LLC - MD 238   2016-03-31   
410-650 9 Dundalk MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 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   2008-08-04   
410-656 0 North East MD   420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238   2008-08-04   
410-656 1 North East MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-06-23   
410-656 2 North East MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-09   
410-656 3 North East MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2011-02-01   
410-656 4 North East MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-656 5 North East MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2009-05-08   
410-656 6 North East MD   876D ONVOY, LLC - MD 238   2012-10-07   
410-656 7 North East MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-01-02   
410-656 8 North East MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-15   
410-656 9 North East MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-657 A Parkville MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
410-657 0 Parkville MD   876D ONVOY, LLC - MD 238   2016-05-06   
410-657 1 Parkville MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2018-05-10   

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Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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