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
410-942 A Havre de Grace MD HDGRMDHVDS0  9212 VERIZON MARYLAND, INC. 238      
410-942 0 Havre de Grace MD   9212 VERIZON MARYLAND, INC. 238      
410-942 1 Havre de Grace MD   9212 VERIZON MARYLAND, INC. 238      
410-942 2 Havre de Grace MD   829J PAETEC ITEL, LLC 238   2004-03-27   
410-942 3 Havre de Grace MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
410-942 4 Havre de Grace MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
410-942 5 Havre de Grace MD   318J COMCAST IP PHONE, LLC 238   2020-10-16   
410-942 6 Havre de Grace MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-09-09   
410-942 7 Havre de Grace MD   9212 VERIZON MARYLAND, INC. 238      
410-942 8 Havre de Grace MD   9212 VERIZON MARYLAND, INC. 238      
410-942 9 Havre de Grace MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
410-943 A Hurlock MD HRLCMDHLRS0  9212 VERIZON MARYLAND, INC. 242      
410-943 0 Hurlock MD   9212 VERIZON MARYLAND, INC. 242      
410-943 1 Hurlock MD   9212 VERIZON MARYLAND, INC. 242      
410-943 2 Hurlock MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2015-04-20   
410-943 3 Hurlock MD   9212 VERIZON MARYLAND, INC. 242      
410-943 4 Hurlock MD   9212 VERIZON MARYLAND, INC. 242      
410-943 5 Hurlock MD   318J COMCAST IP PHONE, LLC 242   2014-12-12   
410-943 6 Hurlock MD   318J COMCAST IP PHONE, LLC 242   2006-07-31   
410-943 7 Hurlock MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2004-04-03   
410-943 8 Hurlock MD   9212 VERIZON MARYLAND, INC. 242      
410-943 9 Hurlock MD   9212 VERIZON MARYLAND, INC. 242      
410-944 A Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-945 A Baltimore MD BLTMMDEDRP0  9212 VERIZON MARYLAND, INC. 238      
410-946 A Severna Park MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-946 0 Severna Park MD   2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
410-946 1 Severna Park MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-07-27   
410-946 2 Severna Park MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
410-946 3 Severna Park MD   9212 VERIZON MARYLAND, INC. 238      
410-946 4 Severna Park MD   5562 METROPCS, INC. 238   2011-10-10   
410-946 5 Severna Park MD   9212 VERIZON MARYLAND, INC. 238      
410-946 6 Severna Park MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-27   
410-946 7 Severna Park MD   5562 METROPCS, INC. 238   2011-08-26   
410-946 8 Severna Park MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-05-13   
410-946 9 Severna Park MD   281E YMAX COMMUNICATIONS CORP. - MD 238   2008-04-16   
410-947 A Baltimore MD BLTMMDEDRP0  9212 VERIZON MARYLAND, INC. 238      
410-948 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-948 0 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-948 1 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 2 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 3 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 4 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 5 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 6 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 7 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 8 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-948 9 Catonsville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-11   
410-949 A Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-949 0 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-949 1 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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