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
410-869 0 Catonsville MD   9212 VERIZON MARYLAND, INC. 238      
410-869 1 Catonsville MD   9212 VERIZON MARYLAND, INC. 238      
410-869 2 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-869 3 Catonsville MD   9212 VERIZON MARYLAND, INC. 238      
410-869 4 Catonsville MD   9212 VERIZON MARYLAND, INC. 238      
410-869 5 Catonsville MD   7421 AT&T LOCAL 238   2002-11-30   
410-869 6 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-04-05   
410-869 7 Catonsville MD   9212 VERIZON MARYLAND, INC. 238      
410-869 8 Catonsville MD   9212 VERIZON MARYLAND, INC. 238      
410-869 9 Catonsville MD   9212 VERIZON MARYLAND, INC. 238      
410-870 A Parkville MD WHMRMDATPS0  107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2005-04-03   
410-870 0 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2005-04-16   
410-870 1 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-06-19   
410-870 2 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2006-06-19   
410-870 3 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2009-03-27   
410-870 4 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-09-18   
410-870 5 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-10-14   
410-870 6 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2009-03-27   
410-870 7 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-04-29   
410-870 8 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-06-11   
410-870 9 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-10-12   
410-871 A Westminster MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-871 0 Westminster MD   9212 VERIZON MARYLAND, INC. 238      
410-871 1 Westminster MD   9212 VERIZON MARYLAND, INC. 238      
410-871 2 Westminster MD   9212 VERIZON MARYLAND, INC. 238      
410-871 3 Westminster MD   9212 VERIZON MARYLAND, INC. 238      
410-871 4 Westminster MD   2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-17   
410-871 5 Westminster MD   7421 AT&T LOCAL 238   2003-11-04   
410-871 6 Westminster MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
410-871 7 Westminster MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
410-871 8 Westminster MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-871 9 Westminster MD   9212 VERIZON MARYLAND, INC. 238      
410-872 A Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-873 A Nanticoke MD NNTCMDNTRS1  9212 VERIZON MARYLAND, INC. 242      
410-873 0 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-873 1 Nanticoke MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-873 2 Nanticoke MD   9212 VERIZON MARYLAND, INC. 242      
410-873 3 Nanticoke MD   9212 VERIZON MARYLAND, INC. 242      
410-873 4 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
410-873 5 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
410-873 6 Nanticoke MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2019-05-02   
410-873 7 Nanticoke MD   876D ONVOY, LLC - MD 242   2017-04-14   
410-873 8 Nanticoke MD   073H TELNYX LLC 242   2017-09-13   
410-873 9 Nanticoke MD   876D ONVOY, LLC - MD 242   2019-03-04   
410-874 A Odenton MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
410-874 0 Odenton MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-874 1 Odenton MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238      
410-874 2 Odenton MD   1958 ATX TELECOMMUNICATIONS SERVICES, LTD 238   2006-06-30   
410-874 3 Odenton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2012-09-20   
410-874 4 Odenton MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   

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

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