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
410-926 2 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-14   
410-926 3 Catonsville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-28   
410-926 4 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-926 5 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-926 6 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-926 7 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-926 8 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-926 9 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-927 A Odenton MD LARLMDCC1MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-927 0 Odenton MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-927 1 Odenton MD   876D ONVOY, LLC - MD 238   2016-03-07   
410-927 2 Odenton MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-927 3 Odenton MD   876D ONVOY, LLC - MD 238   2016-03-07   
410-927 4 Odenton MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-927 5 Odenton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-09-04   
410-927 6 Odenton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-09-09   
410-927 7 Odenton MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-927 8 Odenton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-11-05   
410-927 9 Odenton MD   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-928 A Millington MD MGTNMDMLRS0  9212 VERIZON MARYLAND, INC. 242      
410-928 0 Millington MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-928 1 Millington MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2014-01-04   
410-928 2 Millington MD   228C IDT AMERICA CORP - MD 242   2006-05-21   
410-928 3 Millington MD   9212 VERIZON MARYLAND, INC. 242      
410-928 4 Millington MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2008-04-03   
410-928 5 Millington MD   9212 VERIZON MARYLAND, INC. 242      
410-928 6 Millington MD   9212 VERIZON MARYLAND, INC. 242   2004-11-16   
410-928 7 Millington MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2004-06-12   
410-928 8 Millington MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2009-03-02   
410-928 9 Millington MD   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242   2011-01-29   
410-929 A Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-07-19   
410-929 0 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-07-19   
410-929 1 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-929 2 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-929 3 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-929 4 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-929 5 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-929 6 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-929 7 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2009-08-17   
410-929 8 Baltimore MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
410-929 9 Baltimore MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
410-930 A Waterloo (Washington DC LATA) MD LARLMD90CM0  6810 REDI-CALL COMMUNICATIONS CO 236      
410-931 A Parkville MD WHMRMDWMRS2  9212 VERIZON MARYLAND, INC. 238      
410-932 A Elkridge MD HNVAMDAECM0  6630 USA MOBILITY WIRELESS, INC. 238      
410-933 A Parkville MD WHMRMDWMRS2  9212 VERIZON MARYLAND, INC. 238      
410-934 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
410-934 0 Annapolis MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-07-15   
410-934 1 Annapolis MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-934 2 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-08-24   
410-934 3 Annapolis MD   876D ONVOY, LLC - MD 238   2012-03-30   

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

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